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/config.py
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This program is free software: you can redistribute it and/or modify
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||||||
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it under the terms of the GNU General Public License as published by
|
||||||
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the Free Software Foundation, either version 3 of the License, or
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||||||
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(at your option) any later version.
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||||||
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||||||
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Copyright (c) 2020-2021 The Oxen Project
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||||||
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GNU GENERAL PUBLIC LICENSE
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Version 3, 29 June 2007
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Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
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Everyone is permitted to copy and distribute verbatim copies
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||||||
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of this license document, but changing it is not allowed.
|
||||||
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|
||||||
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Preamble
|
||||||
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|
||||||
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The GNU General Public License is a free, copyleft license for
|
||||||
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software and other kinds of works.
|
||||||
|
|
||||||
|
The licenses for most software and other practical works are designed
|
||||||
|
to take away your freedom to share and change the works. By contrast,
|
||||||
|
the GNU General Public License is intended to guarantee your freedom to
|
||||||
|
share and change all versions of a program--to make sure it remains free
|
||||||
|
software for all its users. We, the Free Software Foundation, use the
|
||||||
|
GNU General Public License for most of our software; it applies also to
|
||||||
|
any other work released this way by its authors. You can apply it to
|
||||||
|
your programs, too.
|
||||||
|
|
||||||
|
When we speak of free software, we are referring to freedom, not
|
||||||
|
price. Our General Public Licenses are designed to make sure that you
|
||||||
|
have the freedom to distribute copies of free software (and charge for
|
||||||
|
them if you wish), that you receive source code or can get it if you
|
||||||
|
want it, that you can change the software or use pieces of it in new
|
||||||
|
free programs, and that you know you can do these things.
|
||||||
|
|
||||||
|
To protect your rights, we need to prevent others from denying you
|
||||||
|
these rights or asking you to surrender the rights. Therefore, you have
|
||||||
|
certain responsibilities if you distribute copies of the software, or if
|
||||||
|
you modify it: responsibilities to respect the freedom of others.
|
||||||
|
|
||||||
|
For example, if you distribute copies of such a program, whether
|
||||||
|
gratis or for a fee, you must pass on to the recipients the same
|
||||||
|
freedoms that you received. You must make sure that they, too, receive
|
||||||
|
or can get the source code. And you must show them these terms so they
|
||||||
|
know their rights.
|
||||||
|
|
||||||
|
Developers that use the GNU GPL protect your rights with two steps:
|
||||||
|
(1) assert copyright on the software, and (2) offer you this License
|
||||||
|
giving you legal permission to copy, distribute and/or modify it.
|
||||||
|
|
||||||
|
For the developers' and authors' protection, the GPL clearly explains
|
||||||
|
that there is no warranty for this free software. For both users' and
|
||||||
|
authors' sake, the GPL requires that modified versions be marked as
|
||||||
|
changed, so that their problems will not be attributed erroneously to
|
||||||
|
authors of previous versions.
|
||||||
|
|
||||||
|
Some devices are designed to deny users access to install or run
|
||||||
|
modified versions of the software inside them, although the manufacturer
|
||||||
|
can do so. This is fundamentally incompatible with the aim of
|
||||||
|
protecting users' freedom to change the software. The systematic
|
||||||
|
pattern of such abuse occurs in the area of products for individuals to
|
||||||
|
use, which is precisely where it is most unacceptable. Therefore, we
|
||||||
|
have designed this version of the GPL to prohibit the practice for those
|
||||||
|
products. If such problems arise substantially in other domains, we
|
||||||
|
stand ready to extend this provision to those domains in future versions
|
||||||
|
of the GPL, as needed to protect the freedom of users.
|
||||||
|
|
||||||
|
Finally, every program is threatened constantly by software patents.
|
||||||
|
States should not allow patents to restrict development and use of
|
||||||
|
software on general-purpose computers, but in those that do, we wish to
|
||||||
|
avoid the special danger that patents applied to a free program could
|
||||||
|
make it effectively proprietary. To prevent this, the GPL assures that
|
||||||
|
patents cannot be used to render the program non-free.
|
||||||
|
|
||||||
|
The precise terms and conditions for copying, distribution and
|
||||||
|
modification follow.
|
||||||
|
|
||||||
|
TERMS AND CONDITIONS
|
||||||
|
|
||||||
|
0. Definitions.
|
||||||
|
|
||||||
|
"This License" refers to version 3 of the GNU General Public License.
|
||||||
|
|
||||||
|
"Copyright" also means copyright-like laws that apply to other kinds of
|
||||||
|
works, such as semiconductor masks.
|
||||||
|
|
||||||
|
"The Program" refers to any copyrightable work licensed under this
|
||||||
|
License. Each licensee is addressed as "you". "Licensees" and
|
||||||
|
"recipients" may be individuals or organizations.
|
||||||
|
|
||||||
|
To "modify" a work means to copy from or adapt all or part of the work
|
||||||
|
in a fashion requiring copyright permission, other than the making of an
|
||||||
|
exact copy. The resulting work is called a "modified version" of the
|
||||||
|
earlier work or a work "based on" the earlier work.
|
||||||
|
|
||||||
|
A "covered work" means either the unmodified Program or a work based
|
||||||
|
on the Program.
|
||||||
|
|
||||||
|
To "propagate" a work means to do anything with it that, without
|
||||||
|
permission, would make you directly or secondarily liable for
|
||||||
|
infringement under applicable copyright law, except executing it on a
|
||||||
|
computer or modifying a private copy. Propagation includes copying,
|
||||||
|
distribution (with or without modification), making available to the
|
||||||
|
public, and in some countries other activities as well.
|
||||||
|
|
||||||
|
To "convey" a work means any kind of propagation that enables other
|
||||||
|
parties to make or receive copies. Mere interaction with a user through
|
||||||
|
a computer network, with no transfer of a copy, is not conveying.
|
||||||
|
|
||||||
|
An interactive user interface displays "Appropriate Legal Notices"
|
||||||
|
to the extent that it includes a convenient and prominently visible
|
||||||
|
feature that (1) displays an appropriate copyright notice, and (2)
|
||||||
|
tells the user that there is no warranty for the work (except to the
|
||||||
|
extent that warranties are provided), that licensees may convey the
|
||||||
|
work under this License, and how to view a copy of this License. If
|
||||||
|
the interface presents a list of user commands or options, such as a
|
||||||
|
menu, a prominent item in the list meets this criterion.
|
||||||
|
|
||||||
|
1. Source Code.
|
||||||
|
|
||||||
|
The "source code" for a work means the preferred form of the work
|
||||||
|
for making modifications to it. "Object code" means any non-source
|
||||||
|
form of a work.
|
||||||
|
|
||||||
|
A "Standard Interface" means an interface that either is an official
|
||||||
|
standard defined by a recognized standards body, or, in the case of
|
||||||
|
interfaces specified for a particular programming language, one that
|
||||||
|
is widely used among developers working in that language.
|
||||||
|
|
||||||
|
The "System Libraries" of an executable work include anything, other
|
||||||
|
than the work as a whole, that (a) is included in the normal form of
|
||||||
|
packaging a Major Component, but which is not part of that Major
|
||||||
|
Component, and (b) serves only to enable use of the work with that
|
||||||
|
Major Component, or to implement a Standard Interface for which an
|
||||||
|
implementation is available to the public in source code form. A
|
||||||
|
"Major Component", in this context, means a major essential component
|
||||||
|
(kernel, window system, and so on) of the specific operating system
|
||||||
|
(if any) on which the executable work runs, or a compiler used to
|
||||||
|
produce the work, or an object code interpreter used to run it.
|
||||||
|
|
||||||
|
The "Corresponding Source" for a work in object code form means all
|
||||||
|
the source code needed to generate, install, and (for an executable
|
||||||
|
work) run the object code and to modify the work, including scripts to
|
||||||
|
control those activities. However, it does not include the work's
|
||||||
|
System Libraries, or general-purpose tools or generally available free
|
||||||
|
programs which are used unmodified in performing those activities but
|
||||||
|
which are not part of the work. For example, Corresponding Source
|
||||||
|
includes interface definition files associated with source files for
|
||||||
|
the work, and the source code for shared libraries and dynamically
|
||||||
|
linked subprograms that the work is specifically designed to require,
|
||||||
|
such as by intimate data communication or control flow between those
|
||||||
|
subprograms and other parts of the work.
|
||||||
|
|
||||||
|
The Corresponding Source need not include anything that users
|
||||||
|
can regenerate automatically from other parts of the Corresponding
|
||||||
|
Source.
|
||||||
|
|
||||||
|
The Corresponding Source for a work in source code form is that
|
||||||
|
same work.
|
||||||
|
|
||||||
|
2. Basic Permissions.
|
||||||
|
|
||||||
|
All rights granted under this License are granted for the term of
|
||||||
|
copyright on the Program, and are irrevocable provided the stated
|
||||||
|
conditions are met. This License explicitly affirms your unlimited
|
||||||
|
permission to run the unmodified Program. The output from running a
|
||||||
|
covered work is covered by this License only if the output, given its
|
||||||
|
content, constitutes a covered work. This License acknowledges your
|
||||||
|
rights of fair use or other equivalent, as provided by copyright law.
|
||||||
|
|
||||||
|
You may make, run and propagate covered works that you do not
|
||||||
|
convey, without conditions so long as your license otherwise remains
|
||||||
|
in force. You may convey covered works to others for the sole purpose
|
||||||
|
of having them make modifications exclusively for you, or provide you
|
||||||
|
with facilities for running those works, provided that you comply with
|
||||||
|
the terms of this License in conveying all material for which you do
|
||||||
|
not control copyright. Those thus making or running the covered works
|
||||||
|
for you must do so exclusively on your behalf, under your direction
|
||||||
|
and control, on terms that prohibit them from making any copies of
|
||||||
|
your copyrighted material outside their relationship with you.
|
||||||
|
|
||||||
|
Conveying under any other circumstances is permitted solely under
|
||||||
|
the conditions stated below. Sublicensing is not allowed; section 10
|
||||||
|
makes it unnecessary.
|
||||||
|
|
||||||
|
3. Protecting Users' Legal Rights From Anti-Circumvention Law.
|
||||||
|
|
||||||
|
No covered work shall be deemed part of an effective technological
|
||||||
|
measure under any applicable law fulfilling obligations under article
|
||||||
|
11 of the WIPO copyright treaty adopted on 20 December 1996, or
|
||||||
|
similar laws prohibiting or restricting circumvention of such
|
||||||
|
measures.
|
||||||
|
|
||||||
|
When you convey a covered work, you waive any legal power to forbid
|
||||||
|
circumvention of technological measures to the extent such circumvention
|
||||||
|
is effected by exercising rights under this License with respect to
|
||||||
|
the covered work, and you disclaim any intention to limit operation or
|
||||||
|
modification of the work as a means of enforcing, against the work's
|
||||||
|
users, your or third parties' legal rights to forbid circumvention of
|
||||||
|
technological measures.
|
||||||
|
|
||||||
|
4. Conveying Verbatim Copies.
|
||||||
|
|
||||||
|
You may convey verbatim copies of the Program's source code as you
|
||||||
|
receive it, in any medium, provided that you conspicuously and
|
||||||
|
appropriately publish on each copy an appropriate copyright notice;
|
||||||
|
keep intact all notices stating that this License and any
|
||||||
|
non-permissive terms added in accord with section 7 apply to the code;
|
||||||
|
keep intact all notices of the absence of any warranty; and give all
|
||||||
|
recipients a copy of this License along with the Program.
|
||||||
|
|
||||||
|
You may charge any price or no price for each copy that you convey,
|
||||||
|
and you may offer support or warranty protection for a fee.
|
||||||
|
|
||||||
|
5. Conveying Modified Source Versions.
|
||||||
|
|
||||||
|
You may convey a work based on the Program, or the modifications to
|
||||||
|
produce it from the Program, in the form of source code under the
|
||||||
|
terms of section 4, provided that you also meet all of these conditions:
|
||||||
|
|
||||||
|
a) The work must carry prominent notices stating that you modified
|
||||||
|
it, and giving a relevant date.
|
||||||
|
|
||||||
|
b) The work must carry prominent notices stating that it is
|
||||||
|
released under this License and any conditions added under section
|
||||||
|
7. This requirement modifies the requirement in section 4 to
|
||||||
|
"keep intact all notices".
|
||||||
|
|
||||||
|
c) You must license the entire work, as a whole, under this
|
||||||
|
License to anyone who comes into possession of a copy. This
|
||||||
|
License will therefore apply, along with any applicable section 7
|
||||||
|
additional terms, to the whole of the work, and all its parts,
|
||||||
|
regardless of how they are packaged. This License gives no
|
||||||
|
permission to license the work in any other way, but it does not
|
||||||
|
invalidate such permission if you have separately received it.
|
||||||
|
|
||||||
|
d) If the work has interactive user interfaces, each must display
|
||||||
|
Appropriate Legal Notices; however, if the Program has interactive
|
||||||
|
interfaces that do not display Appropriate Legal Notices, your
|
||||||
|
work need not make them do so.
|
||||||
|
|
||||||
|
A compilation of a covered work with other separate and independent
|
||||||
|
works, which are not by their nature extensions of the covered work,
|
||||||
|
and which are not combined with it such as to form a larger program,
|
||||||
|
in or on a volume of a storage or distribution medium, is called an
|
||||||
|
"aggregate" if the compilation and its resulting copyright are not
|
||||||
|
used to limit the access or legal rights of the compilation's users
|
||||||
|
beyond what the individual works permit. Inclusion of a covered work
|
||||||
|
in an aggregate does not cause this License to apply to the other
|
||||||
|
parts of the aggregate.
|
||||||
|
|
||||||
|
6. Conveying Non-Source Forms.
|
||||||
|
|
||||||
|
You may convey a covered work in object code form under the terms
|
||||||
|
of sections 4 and 5, provided that you also convey the
|
||||||
|
machine-readable Corresponding Source under the terms of this License,
|
||||||
|
in one of these ways:
|
||||||
|
|
||||||
|
a) Convey the object code in, or embodied in, a physical product
|
||||||
|
(including a physical distribution medium), accompanied by the
|
||||||
|
Corresponding Source fixed on a durable physical medium
|
||||||
|
customarily used for software interchange.
|
||||||
|
|
||||||
|
b) Convey the object code in, or embodied in, a physical product
|
||||||
|
(including a physical distribution medium), accompanied by a
|
||||||
|
written offer, valid for at least three years and valid for as
|
||||||
|
long as you offer spare parts or customer support for that product
|
||||||
|
model, to give anyone who possesses the object code either (1) a
|
||||||
|
copy of the Corresponding Source for all the software in the
|
||||||
|
product that is covered by this License, on a durable physical
|
||||||
|
medium customarily used for software interchange, for a price no
|
||||||
|
more than your reasonable cost of physically performing this
|
||||||
|
conveying of source, or (2) access to copy the
|
||||||
|
Corresponding Source from a network server at no charge.
|
||||||
|
|
||||||
|
c) Convey individual copies of the object code with a copy of the
|
||||||
|
written offer to provide the Corresponding Source. This
|
||||||
|
alternative is allowed only occasionally and noncommercially, and
|
||||||
|
only if you received the object code with such an offer, in accord
|
||||||
|
with subsection 6b.
|
||||||
|
|
||||||
|
d) Convey the object code by offering access from a designated
|
||||||
|
place (gratis or for a charge), and offer equivalent access to the
|
||||||
|
Corresponding Source in the same way through the same place at no
|
||||||
|
further charge. You need not require recipients to copy the
|
||||||
|
Corresponding Source along with the object code. If the place to
|
||||||
|
copy the object code is a network server, the Corresponding Source
|
||||||
|
may be on a different server (operated by you or a third party)
|
||||||
|
that supports equivalent copying facilities, provided you maintain
|
||||||
|
clear directions next to the object code saying where to find the
|
||||||
|
Corresponding Source. Regardless of what server hosts the
|
||||||
|
Corresponding Source, you remain obligated to ensure that it is
|
||||||
|
available for as long as needed to satisfy these requirements.
|
||||||
|
|
||||||
|
e) Convey the object code using peer-to-peer transmission, provided
|
||||||
|
you inform other peers where the object code and Corresponding
|
||||||
|
Source of the work are being offered to the general public at no
|
||||||
|
charge under subsection 6d.
|
||||||
|
|
||||||
|
A separable portion of the object code, whose source code is excluded
|
||||||
|
from the Corresponding Source as a System Library, need not be
|
||||||
|
included in conveying the object code work.
|
||||||
|
|
||||||
|
A "User Product" is either (1) a "consumer product", which means any
|
||||||
|
tangible personal property which is normally used for personal, family,
|
||||||
|
or household purposes, or (2) anything designed or sold for incorporation
|
||||||
|
into a dwelling. In determining whether a product is a consumer product,
|
||||||
|
doubtful cases shall be resolved in favor of coverage. For a particular
|
||||||
|
product received by a particular user, "normally used" refers to a
|
||||||
|
typical or common use of that class of product, regardless of the status
|
||||||
|
of the particular user or of the way in which the particular user
|
||||||
|
actually uses, or expects or is expected to use, the product. A product
|
||||||
|
is a consumer product regardless of whether the product has substantial
|
||||||
|
commercial, industrial or non-consumer uses, unless such uses represent
|
||||||
|
the only significant mode of use of the product.
|
||||||
|
|
||||||
|
"Installation Information" for a User Product means any methods,
|
||||||
|
procedures, authorization keys, or other information required to install
|
||||||
|
and execute modified versions of a covered work in that User Product from
|
||||||
|
a modified version of its Corresponding Source. The information must
|
||||||
|
suffice to ensure that the continued functioning of the modified object
|
||||||
|
code is in no case prevented or interfered with solely because
|
||||||
|
modification has been made.
|
||||||
|
|
||||||
|
If you convey an object code work under this section in, or with, or
|
||||||
|
specifically for use in, a User Product, and the conveying occurs as
|
||||||
|
part of a transaction in which the right of possession and use of the
|
||||||
|
User Product is transferred to the recipient in perpetuity or for a
|
||||||
|
fixed term (regardless of how the transaction is characterized), the
|
||||||
|
Corresponding Source conveyed under this section must be accompanied
|
||||||
|
by the Installation Information. But this requirement does not apply
|
||||||
|
if neither you nor any third party retains the ability to install
|
||||||
|
modified object code on the User Product (for example, the work has
|
||||||
|
been installed in ROM).
|
||||||
|
|
||||||
|
The requirement to provide Installation Information does not include a
|
||||||
|
requirement to continue to provide support service, warranty, or updates
|
||||||
|
for a work that has been modified or installed by the recipient, or for
|
||||||
|
the User Product in which it has been modified or installed. Access to a
|
||||||
|
network may be denied when the modification itself materially and
|
||||||
|
adversely affects the operation of the network or violates the rules and
|
||||||
|
protocols for communication across the network.
|
||||||
|
|
||||||
|
Corresponding Source conveyed, and Installation Information provided,
|
||||||
|
in accord with this section must be in a format that is publicly
|
||||||
|
documented (and with an implementation available to the public in
|
||||||
|
source code form), and must require no special password or key for
|
||||||
|
unpacking, reading or copying.
|
||||||
|
|
||||||
|
7. Additional Terms.
|
||||||
|
|
||||||
|
"Additional permissions" are terms that supplement the terms of this
|
||||||
|
License by making exceptions from one or more of its conditions.
|
||||||
|
Additional permissions that are applicable to the entire Program shall
|
||||||
|
be treated as though they were included in this License, to the extent
|
||||||
|
that they are valid under applicable law. If additional permissions
|
||||||
|
apply only to part of the Program, that part may be used separately
|
||||||
|
under those permissions, but the entire Program remains governed by
|
||||||
|
this License without regard to the additional permissions.
|
||||||
|
|
||||||
|
When you convey a copy of a covered work, you may at your option
|
||||||
|
remove any additional permissions from that copy, or from any part of
|
||||||
|
it. (Additional permissions may be written to require their own
|
||||||
|
removal in certain cases when you modify the work.) You may place
|
||||||
|
additional permissions on material, added by you to a covered work,
|
||||||
|
for which you have or can give appropriate copyright permission.
|
||||||
|
|
||||||
|
Notwithstanding any other provision of this License, for material you
|
||||||
|
add to a covered work, you may (if authorized by the copyright holders of
|
||||||
|
that material) supplement the terms of this License with terms:
|
||||||
|
|
||||||
|
a) Disclaiming warranty or limiting liability differently from the
|
||||||
|
terms of sections 15 and 16 of this License; or
|
||||||
|
|
||||||
|
b) Requiring preservation of specified reasonable legal notices or
|
||||||
|
author attributions in that material or in the Appropriate Legal
|
||||||
|
Notices displayed by works containing it; or
|
||||||
|
|
||||||
|
c) Prohibiting misrepresentation of the origin of that material, or
|
||||||
|
requiring that modified versions of such material be marked in
|
||||||
|
reasonable ways as different from the original version; or
|
||||||
|
|
||||||
|
d) Limiting the use for publicity purposes of names of licensors or
|
||||||
|
authors of the material; or
|
||||||
|
|
||||||
|
e) Declining to grant rights under trademark law for use of some
|
||||||
|
trade names, trademarks, or service marks; or
|
||||||
|
|
||||||
|
f) Requiring indemnification of licensors and authors of that
|
||||||
|
material by anyone who conveys the material (or modified versions of
|
||||||
|
it) with contractual assumptions of liability to the recipient, for
|
||||||
|
any liability that these contractual assumptions directly impose on
|
||||||
|
those licensors and authors.
|
||||||
|
|
||||||
|
All other non-permissive additional terms are considered "further
|
||||||
|
restrictions" within the meaning of section 10. If the Program as you
|
||||||
|
received it, or any part of it, contains a notice stating that it is
|
||||||
|
governed by this License along with a term that is a further
|
||||||
|
restriction, you may remove that term. If a license document contains
|
||||||
|
a further restriction but permits relicensing or conveying under this
|
||||||
|
License, you may add to a covered work material governed by the terms
|
||||||
|
of that license document, provided that the further restriction does
|
||||||
|
not survive such relicensing or conveying.
|
||||||
|
|
||||||
|
If you add terms to a covered work in accord with this section, you
|
||||||
|
must place, in the relevant source files, a statement of the
|
||||||
|
additional terms that apply to those files, or a notice indicating
|
||||||
|
where to find the applicable terms.
|
||||||
|
|
||||||
|
Additional terms, permissive or non-permissive, may be stated in the
|
||||||
|
form of a separately written license, or stated as exceptions;
|
||||||
|
the above requirements apply either way.
|
||||||
|
|
||||||
|
8. Termination.
|
||||||
|
|
||||||
|
You may not propagate or modify a covered work except as expressly
|
||||||
|
provided under this License. Any attempt otherwise to propagate or
|
||||||
|
modify it is void, and will automatically terminate your rights under
|
||||||
|
this License (including any patent licenses granted under the third
|
||||||
|
paragraph of section 11).
|
||||||
|
|
||||||
|
However, if you cease all violation of this License, then your
|
||||||
|
license from a particular copyright holder is reinstated (a)
|
||||||
|
provisionally, unless and until the copyright holder explicitly and
|
||||||
|
finally terminates your license, and (b) permanently, if the copyright
|
||||||
|
holder fails to notify you of the violation by some reasonable means
|
||||||
|
prior to 60 days after the cessation.
|
||||||
|
|
||||||
|
Moreover, your license from a particular copyright holder is
|
||||||
|
reinstated permanently if the copyright holder notifies you of the
|
||||||
|
violation by some reasonable means, this is the first time you have
|
||||||
|
received notice of violation of this License (for any work) from that
|
||||||
|
copyright holder, and you cure the violation prior to 30 days after
|
||||||
|
your receipt of the notice.
|
||||||
|
|
||||||
|
Termination of your rights under this section does not terminate the
|
||||||
|
licenses of parties who have received copies or rights from you under
|
||||||
|
this License. If your rights have been terminated and not permanently
|
||||||
|
reinstated, you do not qualify to receive new licenses for the same
|
||||||
|
material under section 10.
|
||||||
|
|
||||||
|
9. Acceptance Not Required for Having Copies.
|
||||||
|
|
||||||
|
You are not required to accept this License in order to receive or
|
||||||
|
run a copy of the Program. Ancillary propagation of a covered work
|
||||||
|
occurring solely as a consequence of using peer-to-peer transmission
|
||||||
|
to receive a copy likewise does not require acceptance. However,
|
||||||
|
nothing other than this License grants you permission to propagate or
|
||||||
|
modify any covered work. These actions infringe copyright if you do
|
||||||
|
not accept this License. Therefore, by modifying or propagating a
|
||||||
|
covered work, you indicate your acceptance of this License to do so.
|
||||||
|
|
||||||
|
10. Automatic Licensing of Downstream Recipients.
|
||||||
|
|
||||||
|
Each time you convey a covered work, the recipient automatically
|
||||||
|
receives a license from the original licensors, to run, modify and
|
||||||
|
propagate that work, subject to this License. You are not responsible
|
||||||
|
for enforcing compliance by third parties with this License.
|
||||||
|
|
||||||
|
An "entity transaction" is a transaction transferring control of an
|
||||||
|
organization, or substantially all assets of one, or subdividing an
|
||||||
|
organization, or merging organizations. If propagation of a covered
|
||||||
|
work results from an entity transaction, each party to that
|
||||||
|
transaction who receives a copy of the work also receives whatever
|
||||||
|
licenses to the work the party's predecessor in interest had or could
|
||||||
|
give under the previous paragraph, plus a right to possession of the
|
||||||
|
Corresponding Source of the work from the predecessor in interest, if
|
||||||
|
the predecessor has it or can get it with reasonable efforts.
|
||||||
|
|
||||||
|
You may not impose any further restrictions on the exercise of the
|
||||||
|
rights granted or affirmed under this License. For example, you may
|
||||||
|
not impose a license fee, royalty, or other charge for exercise of
|
||||||
|
rights granted under this License, and you may not initiate litigation
|
||||||
|
(including a cross-claim or counterclaim in a lawsuit) alleging that
|
||||||
|
any patent claim is infringed by making, using, selling, offering for
|
||||||
|
sale, or importing the Program or any portion of it.
|
||||||
|
|
||||||
|
11. Patents.
|
||||||
|
|
||||||
|
A "contributor" is a copyright holder who authorizes use under this
|
||||||
|
License of the Program or a work on which the Program is based. The
|
||||||
|
work thus licensed is called the contributor's "contributor version".
|
||||||
|
|
||||||
|
A contributor's "essential patent claims" are all patent claims
|
||||||
|
owned or controlled by the contributor, whether already acquired or
|
||||||
|
hereafter acquired, that would be infringed by some manner, permitted
|
||||||
|
by this License, of making, using, or selling its contributor version,
|
||||||
|
but do not include claims that would be infringed only as a
|
||||||
|
consequence of further modification of the contributor version. For
|
||||||
|
purposes of this definition, "control" includes the right to grant
|
||||||
|
patent sublicenses in a manner consistent with the requirements of
|
||||||
|
this License.
|
||||||
|
|
||||||
|
Each contributor grants you a non-exclusive, worldwide, royalty-free
|
||||||
|
patent license under the contributor's essential patent claims, to
|
||||||
|
make, use, sell, offer for sale, import and otherwise run, modify and
|
||||||
|
propagate the contents of its contributor version.
|
||||||
|
|
||||||
|
In the following three paragraphs, a "patent license" is any express
|
||||||
|
agreement or commitment, however denominated, not to enforce a patent
|
||||||
|
(such as an express permission to practice a patent or covenant not to
|
||||||
|
sue for patent infringement). To "grant" such a patent license to a
|
||||||
|
party means to make such an agreement or commitment not to enforce a
|
||||||
|
patent against the party.
|
||||||
|
|
||||||
|
If you convey a covered work, knowingly relying on a patent license,
|
||||||
|
and the Corresponding Source of the work is not available for anyone
|
||||||
|
to copy, free of charge and under the terms of this License, through a
|
||||||
|
publicly available network server or other readily accessible means,
|
||||||
|
then you must either (1) cause the Corresponding Source to be so
|
||||||
|
available, or (2) arrange to deprive yourself of the benefit of the
|
||||||
|
patent license for this particular work, or (3) arrange, in a manner
|
||||||
|
consistent with the requirements of this License, to extend the patent
|
||||||
|
license to downstream recipients. "Knowingly relying" means you have
|
||||||
|
actual knowledge that, but for the patent license, your conveying the
|
||||||
|
covered work in a country, or your recipient's use of the covered work
|
||||||
|
in a country, would infringe one or more identifiable patents in that
|
||||||
|
country that you have reason to believe are valid.
|
||||||
|
|
||||||
|
If, pursuant to or in connection with a single transaction or
|
||||||
|
arrangement, you convey, or propagate by procuring conveyance of, a
|
||||||
|
covered work, and grant a patent license to some of the parties
|
||||||
|
receiving the covered work authorizing them to use, propagate, modify
|
||||||
|
or convey a specific copy of the covered work, then the patent license
|
||||||
|
you grant is automatically extended to all recipients of the covered
|
||||||
|
work and works based on it.
|
||||||
|
|
||||||
|
A patent license is "discriminatory" if it does not include within
|
||||||
|
the scope of its coverage, prohibits the exercise of, or is
|
||||||
|
conditioned on the non-exercise of one or more of the rights that are
|
||||||
|
specifically granted under this License. You may not convey a covered
|
||||||
|
work if you are a party to an arrangement with a third party that is
|
||||||
|
in the business of distributing software, under which you make payment
|
||||||
|
to the third party based on the extent of your activity of conveying
|
||||||
|
the work, and under which the third party grants, to any of the
|
||||||
|
parties who would receive the covered work from you, a discriminatory
|
||||||
|
patent license (a) in connection with copies of the covered work
|
||||||
|
conveyed by you (or copies made from those copies), or (b) primarily
|
||||||
|
for and in connection with specific products or compilations that
|
||||||
|
contain the covered work, unless you entered into that arrangement,
|
||||||
|
or that patent license was granted, prior to 28 March 2007.
|
||||||
|
|
||||||
|
Nothing in this License shall be construed as excluding or limiting
|
||||||
|
any implied license or other defenses to infringement that may
|
||||||
|
otherwise be available to you under applicable patent law.
|
||||||
|
|
||||||
|
12. No Surrender of Others' Freedom.
|
||||||
|
|
||||||
|
If conditions are imposed on you (whether by court order, agreement or
|
||||||
|
otherwise) that contradict the conditions of this License, they do not
|
||||||
|
excuse you from the conditions of this License. If you cannot convey a
|
||||||
|
covered work so as to satisfy simultaneously your obligations under this
|
||||||
|
License and any other pertinent obligations, then as a consequence you may
|
||||||
|
not convey it at all. For example, if you agree to terms that obligate you
|
||||||
|
to collect a royalty for further conveying from those to whom you convey
|
||||||
|
the Program, the only way you could satisfy both those terms and this
|
||||||
|
License would be to refrain entirely from conveying the Program.
|
||||||
|
|
||||||
|
13. Use with the GNU Affero General Public License.
|
||||||
|
|
||||||
|
Notwithstanding any other provision of this License, you have
|
||||||
|
permission to link or combine any covered work with a work licensed
|
||||||
|
under version 3 of the GNU Affero General Public License into a single
|
||||||
|
combined work, and to convey the resulting work. The terms of this
|
||||||
|
License will continue to apply to the part which is the covered work,
|
||||||
|
but the special requirements of the GNU Affero General Public License,
|
||||||
|
section 13, concerning interaction through a network will apply to the
|
||||||
|
combination as such.
|
||||||
|
|
||||||
|
14. Revised Versions of this License.
|
||||||
|
|
||||||
|
The Free Software Foundation may publish revised and/or new versions of
|
||||||
|
the GNU General Public License from time to time. Such new versions will
|
||||||
|
be similar in spirit to the present version, but may differ in detail to
|
||||||
|
address new problems or concerns.
|
||||||
|
|
||||||
|
Each version is given a distinguishing version number. If the
|
||||||
|
Program specifies that a certain numbered version of the GNU General
|
||||||
|
Public License "or any later version" applies to it, you have the
|
||||||
|
option of following the terms and conditions either of that numbered
|
||||||
|
version or of any later version published by the Free Software
|
||||||
|
Foundation. If the Program does not specify a version number of the
|
||||||
|
GNU General Public License, you may choose any version ever published
|
||||||
|
by the Free Software Foundation.
|
||||||
|
|
||||||
|
If the Program specifies that a proxy can decide which future
|
||||||
|
versions of the GNU General Public License can be used, that proxy's
|
||||||
|
public statement of acceptance of a version permanently authorizes you
|
||||||
|
to choose that version for the Program.
|
||||||
|
|
||||||
|
Later license versions may give you additional or different
|
||||||
|
permissions. However, no additional obligations are imposed on any
|
||||||
|
author or copyright holder as a result of your choosing to follow a
|
||||||
|
later version.
|
||||||
|
|
||||||
|
15. Disclaimer of Warranty.
|
||||||
|
|
||||||
|
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
|
||||||
|
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
|
||||||
|
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
|
||||||
|
OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
|
||||||
|
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||||
|
PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
|
||||||
|
IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
|
||||||
|
ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
|
||||||
|
|
||||||
|
16. Limitation of Liability.
|
||||||
|
|
||||||
|
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
|
||||||
|
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
|
||||||
|
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
|
||||||
|
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
|
||||||
|
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
|
||||||
|
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
|
||||||
|
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
|
||||||
|
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
|
||||||
|
SUCH DAMAGES.
|
||||||
|
|
||||||
|
17. Interpretation of Sections 15 and 16.
|
||||||
|
|
||||||
|
If the disclaimer of warranty and limitation of liability provided
|
||||||
|
above cannot be given local legal effect according to their terms,
|
||||||
|
reviewing courts shall apply local law that most closely approximates
|
||||||
|
an absolute waiver of all civil liability in connection with the
|
||||||
|
Program, unless a warranty or assumption of liability accompanies a
|
||||||
|
copy of the Program in return for a fee.
|
||||||
|
|
||||||
|
END OF TERMS AND CONDITIONS
|
||||||
|
|
||||||
|
How to Apply These Terms to Your New Programs
|
||||||
|
|
||||||
|
If you develop a new program, and you want it to be of the greatest
|
||||||
|
possible use to the public, the best way to achieve this is to make it
|
||||||
|
free software which everyone can redistribute and change under these terms.
|
||||||
|
|
||||||
|
To do so, attach the following notices to the program. It is safest
|
||||||
|
to attach them to the start of each source file to most effectively
|
||||||
|
state the exclusion of warranty; and each file should have at least
|
||||||
|
the "copyright" line and a pointer to where the full notice is found.
|
||||||
|
|
||||||
|
<one line to give the program's name and a brief idea of what it does.>
|
||||||
|
Copyright (C) <year> <name of author>
|
||||||
|
|
||||||
|
This program is free software: you can redistribute it and/or modify
|
||||||
|
it under the terms of the GNU General Public License as published by
|
||||||
|
the Free Software Foundation, either version 3 of the License, or
|
||||||
|
(at your option) any later version.
|
||||||
|
|
||||||
|
This program is distributed in the hope that it will be useful,
|
||||||
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
GNU General Public License for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU General Public License
|
||||||
|
along with this program. If not, see <https://www.gnu.org/licenses/>.
|
||||||
|
|
||||||
|
Also add information on how to contact you by electronic and paper mail.
|
||||||
|
|
||||||
|
If the program does terminal interaction, make it output a short
|
||||||
|
notice like this when it starts in an interactive mode:
|
||||||
|
|
||||||
|
<program> Copyright (C) <year> <name of author>
|
||||||
|
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
|
||||||
|
This is free software, and you are welcome to redistribute it
|
||||||
|
under certain conditions; type `show c' for details.
|
||||||
|
|
||||||
|
The hypothetical commands `show w' and `show c' should show the appropriate
|
||||||
|
parts of the General Public License. Of course, your program's commands
|
||||||
|
might be different; for a GUI interface, you would use an "about box".
|
||||||
|
|
||||||
|
You should also get your employer (if you work as a programmer) or school,
|
||||||
|
if any, to sign a "copyright disclaimer" for the program, if necessary.
|
||||||
|
For more information on this, and how to apply and follow the GNU GPL, see
|
||||||
|
<https://www.gnu.org/licenses/>.
|
||||||
|
|
||||||
|
The GNU General Public License does not permit incorporating your program
|
||||||
|
into proprietary programs. If your program is a subroutine library, you
|
||||||
|
may consider it more useful to permit linking proprietary applications with
|
||||||
|
the library. If this is what you want to do, use the GNU Lesser General
|
||||||
|
Public License instead of this License. But first, please read
|
||||||
|
<https://www.gnu.org/licenses/why-not-lgpl.html>.
|
|
@ -0,0 +1,144 @@
|
||||||
|
# Session File Server
|
||||||
|
|
||||||
|
This is the Session file server that hosts encrypted avatars and attachments for the Session
|
||||||
|
network. It is effectively a "dumb" store of data as it simply stores, retrieves, and expires but
|
||||||
|
cannot read the encrypted blobs.
|
||||||
|
|
||||||
|
It has one additional feature used by Session which is acting as a cache and server of the current
|
||||||
|
version of Session (as posted on GitHub) to allow Session clients to check the version without
|
||||||
|
leaking metadata (by making an onion request through the Oxen service node network).
|
||||||
|
|
||||||
|
## Requires
|
||||||
|
|
||||||
|
### Python3
|
||||||
|
|
||||||
|
A reasonably recent version of Python 3 (3.8 or newer are tested, earlier may or may not work), with
|
||||||
|
the following modules installed. (Most of these are available as `apt install python3-NAME` on
|
||||||
|
Debian/Ubuntu).
|
||||||
|
- flask
|
||||||
|
- coloredlogs
|
||||||
|
- psycopg 3.x (*not* the older psycopg2 currently found in most linux distros)
|
||||||
|
- psycopg_pool
|
||||||
|
- requests
|
||||||
|
|
||||||
|
Additionally you need to build the Oxen Project's pyoxenmq and pylibonionreq. This repository links
|
||||||
|
to them as submodules; `make` will build them locally for simple setups (proper deb packaging of
|
||||||
|
those libs is still a TODO).
|
||||||
|
|
||||||
|
### WSGI request handler
|
||||||
|
|
||||||
|
The file server uses WSGI for incoming HTTP requests. See below for one possible way to set this
|
||||||
|
up.
|
||||||
|
|
||||||
|
### PostgreSQL
|
||||||
|
|
||||||
|
Everything is stored in PostgreSQL; no local file storage is used at all.
|
||||||
|
|
||||||
|
## Getting started
|
||||||
|
|
||||||
|
0. Create a user, clone the code as a user, run the code as a user, NOT as root.
|
||||||
|
|
||||||
|
1. Install the required Python packages:
|
||||||
|
|
||||||
|
```bash
|
||||||
|
sudo apt install python3 python3-flask python3-coloredlogs python3-requests python3-pip
|
||||||
|
|
||||||
|
pip3 install psycopg psycopg_pool # Or as above, once these enter Debian/Ubuntu
|
||||||
|
```
|
||||||
|
|
||||||
|
2. Build the required oxen Python modules:
|
||||||
|
|
||||||
|
make
|
||||||
|
|
||||||
|
3. Set up a postgresql database for the files to live in. Note that this can be *large* because
|
||||||
|
file content is stored in the database, so ensure it is on a filesystem with lots of available
|
||||||
|
storage.
|
||||||
|
|
||||||
|
A quick setup, if you've never used it before, is:
|
||||||
|
|
||||||
|
```bash
|
||||||
|
sudo apt install postgresql-server postgresql-client # Install server and client
|
||||||
|
sudo su - postgres # Change to postgres system user
|
||||||
|
createuser YOURUSER # Replace with your username, *NOT* root
|
||||||
|
createdb -O YOURUSER sessionfiles # Creates an empty database for session files, owned by you
|
||||||
|
exit # Exit the postgres shell, return to your user
|
||||||
|
|
||||||
|
# Test that postgresql lets us connect to the database:
|
||||||
|
echo "select 'hello'" | psql sessionfiles
|
||||||
|
# Should should you "ok / ---- / hello"; if it gives an error then something is wrong.
|
||||||
|
|
||||||
|
# Load the database structure (run this from the session-file-server dir):
|
||||||
|
psql -f schema.pgsql sessionfiles
|
||||||
|
|
||||||
|
# The 'sessionfiles' database is now ready to go.
|
||||||
|
```
|
||||||
|
|
||||||
|
4. Copy `config.py.sample` to `config.py` and edit as needed. In particular you'll need to edit the
|
||||||
|
`pgsql_connect_opts` variable to specify database connection parameters.
|
||||||
|
|
||||||
|
5. Set up the application to run via wsgi. The setup I use is:
|
||||||
|
|
||||||
|
1. Install `uwsgi-emperor` and `uwsgi-plugin-python3`
|
||||||
|
|
||||||
|
1. Configure it by adding `cap = setgid,setuid` and `emperor-tyrant = true` into
|
||||||
|
`/etc/uwsgi-emperor/emperor.ini`
|
||||||
|
|
||||||
|
1. Create a file `/etc/uwsgi-emperor/vassals/sfs.ini` with content:
|
||||||
|
|
||||||
|
```ini
|
||||||
|
[uwsgi]
|
||||||
|
chdir = /home/YOURUSER/session-file-server
|
||||||
|
socket = sfs.wsgi
|
||||||
|
chmod-socket = 660
|
||||||
|
plugins = python3,logfile
|
||||||
|
processes = 4
|
||||||
|
manage-script-name = true
|
||||||
|
mount = /=fileserver:app
|
||||||
|
|
||||||
|
logger = file:logfile=/home/YOURUSER/session-file-server/sfs.log
|
||||||
|
```
|
||||||
|
|
||||||
|
You will need to change the `chdir` and `logger` paths to match where you have set up the
|
||||||
|
code.
|
||||||
|
|
||||||
|
6. Run:
|
||||||
|
|
||||||
|
```bash
|
||||||
|
sudo chown YOURUSER:www-data /etc/uwsgi-emperor/vassals/sfs.ini
|
||||||
|
```
|
||||||
|
|
||||||
|
Because of the configuration you added in step 5, the ownership of the `sfs.ini` determines the
|
||||||
|
user and group the program runs as. Also note that uwsgi sensibly refuses to run as root, but if
|
||||||
|
you are contemplating running this program in the first place then hopefully you knew not to do
|
||||||
|
that anyway.
|
||||||
|
|
||||||
|
7. Set up nginx or apache2 to serve HTTP or HTTPS requests that are handled by the file server.
|
||||||
|
- For nginx you want this snippet added to your `/etc/nginx/sites-enabled/SITENAME` file
|
||||||
|
(SITENAME can be `default` if you will only use the web server for the Session file server).:
|
||||||
|
|
||||||
|
```nginx
|
||||||
|
location / {
|
||||||
|
uwsgi_pass unix:///home/YOURUSER/session-file-server/sfs.wsgi;
|
||||||
|
include uwsgi_params;
|
||||||
|
}
|
||||||
|
```
|
||||||
|
|
||||||
|
- If you prefer to use Apache then you want to use a
|
||||||
|
|
||||||
|
```apache
|
||||||
|
ProxyPass / unix:/home/YOURUSER/session-file-server/sfs.wsgi|uwsgi://uwsgi-session-file-server/
|
||||||
|
```
|
||||||
|
|
||||||
|
directive in `<VirtualHost>` section serving the site.
|
||||||
|
|
||||||
|
8. If you want to use HTTPS then set it up in nginx or apache and put the above directives in the
|
||||||
|
location for the HTTPS server. This will work but is *not* required for Session and does not
|
||||||
|
enhance the security because requests are always onion encrypted; the extra layer of HTTPS
|
||||||
|
encryption adds nothing (and makes requests marginally slower).
|
||||||
|
|
||||||
|
9. Restart the web server and UWSGI emperor: `systemctl restart nginx uwsgi-emperor`
|
||||||
|
|
||||||
|
10. In the future, if you update the file server code and want to restart it, you can just `touch
|
||||||
|
/etc/uwsgi-emperor/vassals/` — uwsgi-emperor watches the files for modifications and restarts
|
||||||
|
gracefully upon modifications (or in this case simply touching, which updates the file's
|
||||||
|
modification time without changing its content).
|
|
@ -0,0 +1,22 @@
|
||||||
|
from config_base import *
|
||||||
|
|
||||||
|
# Configuration options
|
||||||
|
#
|
||||||
|
# This file overrides things set in config_base.py; put local modifications here so that on upgrades
|
||||||
|
# you don't have to merge new changes added to the base config. This file (when copied to
|
||||||
|
# local_config.py) is ignored by git.
|
||||||
|
|
||||||
|
# Example config override:
|
||||||
|
#BACKWARDS_COMPAT_IDS = False
|
||||||
|
|
||||||
|
# This one is pretty much always needed. For a local DB you'll need at least the dbname; for a
|
||||||
|
# remote DB you'll need more. See psycopg documentation for details.
|
||||||
|
pgsql_connect_opts = {
|
||||||
|
"dbname": "sessionfiles",
|
||||||
|
}
|
||||||
|
|
||||||
|
# Log level:
|
||||||
|
#
|
||||||
|
#import logging
|
||||||
|
#log_level = logging.INFO
|
||||||
|
|
|
@ -0,0 +1,42 @@
|
||||||
|
# Configuration options
|
||||||
|
#
|
||||||
|
|
||||||
|
import logging
|
||||||
|
|
||||||
|
|
||||||
|
# This sucks: current versions of Session are entirely inflexible as to the data received: they
|
||||||
|
# *must* get back an integer value for the id, and shove the integer into a double which means we
|
||||||
|
# can only (perfectly) represent integers from [0, 2^53].
|
||||||
|
BACKWARDS_COMPAT_IDS = True
|
||||||
|
|
||||||
|
|
||||||
|
# Use this bit suffix in generated backwards compatible integer IDs. This is intended to avoid
|
||||||
|
# synchronization conflicts when setting up multi-master database synchronization. The bits added
|
||||||
|
# here (which must be an array of 0 or 1s) will be hard-coded into the most significant bits of the
|
||||||
|
# value, then the remaining 53-bit determined randomly. E.g. 1 reserved bit is enough for 2
|
||||||
|
# servers, 2 is enough for 4, etc. Each server in a cluster should have a different bit pattern
|
||||||
|
# with exactly the same number of fixed bits. Should be empty for a single server file server.
|
||||||
|
BACKWARDS_COMPAT_IDS_FIXED_BITS = []
|
||||||
|
|
||||||
|
# Maximum file size we will accept, in bytes. This should generally be the same as Session's value,
|
||||||
|
# and has to be small enough that it can fit, post-base64 encoding + onion wrapping, into the 10MB
|
||||||
|
# size limit of storage server messages.
|
||||||
|
MAX_FILE_SIZE = 6_000_000
|
||||||
|
|
||||||
|
# Same as above, but for a base64-encoded string
|
||||||
|
MAX_FILE_SIZE_B64 = 8_000_000
|
||||||
|
|
||||||
|
# File expiry, in a postgresql-compatible duration relative to `now()`. Be aware if using `days` or
|
||||||
|
# larger units that postgresql days and months are variable: a day could be 23-25 hours (if it
|
||||||
|
# crosses a DST change), and a month could be 28-31 days ± 1 hour. If you need a precise interval,
|
||||||
|
# use a precise unit.
|
||||||
|
FILE_EXPIRY = '3 weeks'
|
||||||
|
|
||||||
|
|
||||||
|
# postgresql connect options
|
||||||
|
pgsql_connect_opts = {
|
||||||
|
"dbname": "sessionfiles",
|
||||||
|
}
|
||||||
|
|
||||||
|
# The log level
|
||||||
|
log_level = logging.WARN
|
|
@ -0,0 +1,260 @@
|
||||||
|
openapi: 3.0.1
|
||||||
|
info:
|
||||||
|
title: Session File Server
|
||||||
|
description: >
|
||||||
|
API documentation for the Session file server. This is the API that
|
||||||
|
[Session](https://getsession.org) and related tools use to interface with encrypted, stored
|
||||||
|
files that are sent to and retrieved from the file server via onion requests.
|
||||||
|
contact:
|
||||||
|
name: The Oxen Project
|
||||||
|
email: team@oxen.io
|
||||||
|
url: https://getsession.org
|
||||||
|
license:
|
||||||
|
name: GPL v3.0
|
||||||
|
url: https://www.gnu.org/licenses/gpl-3.0.en.html
|
||||||
|
version: "3.0"
|
||||||
|
externalDocs:
|
||||||
|
description: Find out more about the Oxen project
|
||||||
|
url: http://oxen.io
|
||||||
|
paths:
|
||||||
|
/file:
|
||||||
|
post:
|
||||||
|
summary: "Uploads a file to the file server."
|
||||||
|
description: >
|
||||||
|
Uploads an opaque file (typically encrypted) to the file server. This takes the file body
|
||||||
|
as binary.
|
||||||
|
|
||||||
|
|
||||||
|
This endpoint de-duplicates: that is, uploading an identical file body (which also implies
|
||||||
|
identical encryption) will *not* store the file a second time: instead it just updates the
|
||||||
|
file expiry.
|
||||||
|
requestBody:
|
||||||
|
description: The file content, in bytes.
|
||||||
|
required: true
|
||||||
|
content:
|
||||||
|
'*/*':
|
||||||
|
{}
|
||||||
|
responses:
|
||||||
|
200:
|
||||||
|
description: File successfully stored
|
||||||
|
content:
|
||||||
|
application/json:
|
||||||
|
schema:
|
||||||
|
type: object
|
||||||
|
properties:
|
||||||
|
id:
|
||||||
|
type: string
|
||||||
|
description: >
|
||||||
|
Random string id of the file on the server to be used in the `/file/ID`
|
||||||
|
endpoint for retrieval. Will contain only path-safe characters from
|
||||||
|
`[a-zA-Z0-9_-]`.
|
||||||
|
|
||||||
|
|
||||||
|
Currently this identifier is a 44 character value (264 bits, in base64
|
||||||
|
encoding, chosen to be the smallest padding-free base64 encodable size >= 256
|
||||||
|
bits), but that may change in future versions and should not be relied upon.
|
||||||
|
413:
|
||||||
|
description: >
|
||||||
|
Invalid upload size. Returns for an invalid size (i.e. greater than the current limit
|
||||||
|
of 6MB; *note: 6MB != 6MiB*).
|
||||||
|
content: {}
|
||||||
|
|
||||||
|
|
||||||
|
/file/{fileId}:
|
||||||
|
get:
|
||||||
|
summary: Retrieve a stored file.
|
||||||
|
description: >
|
||||||
|
Retrieves a file stored on the file server. The file is returned as binary.
|
||||||
|
parameters:
|
||||||
|
- name: fileId
|
||||||
|
in: path
|
||||||
|
description: "The file ID of the uploaded file."
|
||||||
|
required: true
|
||||||
|
schema:
|
||||||
|
type: string
|
||||||
|
responses:
|
||||||
|
200:
|
||||||
|
description: File successfully retrieved.
|
||||||
|
content:
|
||||||
|
application/octet-stream:
|
||||||
|
schema:
|
||||||
|
type: string
|
||||||
|
format: binary
|
||||||
|
404:
|
||||||
|
description: The file was not found or has expired.
|
||||||
|
content: {}
|
||||||
|
|
||||||
|
/file/{fileId}/info:
|
||||||
|
get:
|
||||||
|
summary: Retrieves metadata of a stored file.
|
||||||
|
description: >
|
||||||
|
Returns information about a file without actually returning the file content itself.
|
||||||
|
parameters:
|
||||||
|
- $ref: "#/file/~1file~1%7BfileId%7D/parameters/0"
|
||||||
|
responses:
|
||||||
|
200:
|
||||||
|
description: File metadata retrieved.
|
||||||
|
content:
|
||||||
|
application/json:
|
||||||
|
schema:
|
||||||
|
type: object
|
||||||
|
properties:
|
||||||
|
size:
|
||||||
|
type: integer
|
||||||
|
format: int64
|
||||||
|
description: Size of the file contents, in bytes.
|
||||||
|
uploaded:
|
||||||
|
type: number
|
||||||
|
format: double
|
||||||
|
description: The unix timestamp when the file was uploaded.
|
||||||
|
expires:
|
||||||
|
type: number
|
||||||
|
format: double
|
||||||
|
description: >
|
||||||
|
The unix timestamp when the file is scheduled to be removed.
|
||||||
|
404:
|
||||||
|
description: The file was not found or has expired.
|
||||||
|
content: {}
|
||||||
|
|
||||||
|
/session_version:
|
||||||
|
get:
|
||||||
|
summary: Retrieves the latest Session release version.
|
||||||
|
deprecated: True
|
||||||
|
description: >
|
||||||
|
Returns the current version of session for one of the three platforms (desktop, ios, or
|
||||||
|
android); this is effectively proxying (and caching) the response from the github release
|
||||||
|
page.
|
||||||
|
|
||||||
|
|
||||||
|
Note that the value is cached and can be up to 30 minutes out of date normally, and up to 24
|
||||||
|
hours out of date if we cannot reach the Github API for some reason.
|
||||||
|
parameters:
|
||||||
|
- name: platform
|
||||||
|
in: query
|
||||||
|
required: true
|
||||||
|
description: The session platform to query.
|
||||||
|
schema:
|
||||||
|
type: string
|
||||||
|
format: int32
|
||||||
|
enum: ["desktop", "android", "ios"]
|
||||||
|
responses:
|
||||||
|
200:
|
||||||
|
description: Version retrieved.
|
||||||
|
content:
|
||||||
|
application/json:
|
||||||
|
schema:
|
||||||
|
type: object
|
||||||
|
properties:
|
||||||
|
status_code: >
|
||||||
|
The value 200. Included for backwards compatibility, and may be removed
|
||||||
|
someday.
|
||||||
|
result:
|
||||||
|
type: string
|
||||||
|
description: The Session version.
|
||||||
|
updated:
|
||||||
|
type: number
|
||||||
|
format: double
|
||||||
|
description: >
|
||||||
|
The unix timestamp when this version was retrieved from Github; this can be up
|
||||||
|
to 24 hours ago in case of consistent fetch errors, though normally will be
|
||||||
|
within the last 30 minutes.
|
||||||
|
404:
|
||||||
|
description: "No such platform: the `platform` value was invalid."
|
||||||
|
content: {}
|
||||||
|
502:
|
||||||
|
description: >
|
||||||
|
Bad gateway. Returned if the current version could not be successfuly retrieved from
|
||||||
|
Github within the last 24 hours.
|
||||||
|
content: {}
|
||||||
|
|
||||||
|
/files:
|
||||||
|
post:
|
||||||
|
deprecated: true
|
||||||
|
summary: Uploads a file to the file server wastefully.
|
||||||
|
description: >
|
||||||
|
Uploads an opaque file (typically encrypted) to the file server. This takes the file body
|
||||||
|
as a json parameter, encoded in base64. It is mainly provided for backwards compatibility:
|
||||||
|
see the `/file` endpoint which uses 25% less data by avoiding an unnecessary extra layer of
|
||||||
|
base64 encoding.
|
||||||
|
|
||||||
|
|
||||||
|
This endpoint also always returns the file id as an integer in the range [0, 2^53], and does
|
||||||
|
not de-duplicate identical uploads.
|
||||||
|
|
||||||
|
|
||||||
|
This is deprecated and will be removed in the future once all known users have migrated to
|
||||||
|
the `/file` endpoint.
|
||||||
|
requestBody:
|
||||||
|
required: true
|
||||||
|
content:
|
||||||
|
application/json:
|
||||||
|
schema:
|
||||||
|
type: object
|
||||||
|
required: [file]
|
||||||
|
properties:
|
||||||
|
file:
|
||||||
|
type: string
|
||||||
|
format: byte
|
||||||
|
description: The file content (typically encrypted), in base64 encoding.
|
||||||
|
responses:
|
||||||
|
200:
|
||||||
|
description: File successfully stored
|
||||||
|
content:
|
||||||
|
application/json:
|
||||||
|
schema:
|
||||||
|
type: object
|
||||||
|
properties:
|
||||||
|
id:
|
||||||
|
type: integer
|
||||||
|
format: int64
|
||||||
|
description: >
|
||||||
|
Random id of the file on the server to be used in the `/files/ID`
|
||||||
|
endpoint for retrieval. Will be a value between 1 and 2^53.
|
||||||
|
|
||||||
|
|
||||||
|
This endpoint is deprecated for Session clients that would break with a
|
||||||
|
non-integer identifier; the more efficient and robust `/file` endpoint should
|
||||||
|
be used instead.
|
||||||
|
|
||||||
|
413:
|
||||||
|
description: >
|
||||||
|
Invalid upload size. Returns for an invalid size (i.e. greater than the current limit
|
||||||
|
of 6MB). Note that the size here refers to the size in decoded bytes, not the size of
|
||||||
|
the base64 encoded value; in base64 encoded bytes the limit is 8MB.
|
||||||
|
content: {}
|
||||||
|
|
||||||
|
507:
|
||||||
|
description: >
|
||||||
|
Insufficient storage. This is returned if the file server is unable to find a suitable
|
||||||
|
random id for the upload.
|
||||||
|
content: {}
|
||||||
|
|
||||||
|
|
||||||
|
/files/{fileId}:
|
||||||
|
get:
|
||||||
|
deprecated: true
|
||||||
|
summary: Retrieve a stored file wastefully.
|
||||||
|
description: >
|
||||||
|
Retrieves a file stored on the file server. The file is returned wrapped in an unnecessary
|
||||||
|
layer of JSON and base64, for backwards compatibility.
|
||||||
|
parameters:
|
||||||
|
- $ref: "#/file/~1file~1%7BfileId%7D/parameters/0"
|
||||||
|
responses:
|
||||||
|
200:
|
||||||
|
description: File successfully retrieved.
|
||||||
|
content:
|
||||||
|
application/json:
|
||||||
|
schema:
|
||||||
|
type: object
|
||||||
|
properties:
|
||||||
|
status_code:
|
||||||
|
type: integer
|
||||||
|
format: int32
|
||||||
|
description: >
|
||||||
|
The value 200. Included for backwards compatibility.
|
||||||
|
result:
|
||||||
|
type: string
|
||||||
|
format: byte
|
||||||
|
description: The file content, encoded in base64.
|
||||||
|
|
||||||
|
# vim:sw=2:et:tw=100
|
|
@ -0,0 +1,259 @@
|
||||||
|
#!/usr/bin/env python3
|
||||||
|
|
||||||
|
import flask
|
||||||
|
from flask import request, g
|
||||||
|
import base64
|
||||||
|
import coloredlogs
|
||||||
|
from hashlib import blake2b
|
||||||
|
import json
|
||||||
|
import logging
|
||||||
|
import psycopg
|
||||||
|
from psycopg_pool import ConnectionPool
|
||||||
|
import requests
|
||||||
|
import secrets
|
||||||
|
from werkzeug.local import LocalProxy
|
||||||
|
|
||||||
|
import config
|
||||||
|
from timer import timer
|
||||||
|
|
||||||
|
# error status codes:
|
||||||
|
HTTP_ERROR_PAYLOAD_TOO_LARGE = 413
|
||||||
|
HTTP_ERROR_INSUFFICIENT_STORAGE = 507
|
||||||
|
HTTP_ERROR_INTERNAL_SERVER_ERROR = 500
|
||||||
|
HTTP_BAD_GATEWAY = 502
|
||||||
|
HTTP_BAD_REQUEST = 400
|
||||||
|
HTTP_NOT_FOUND = 404
|
||||||
|
|
||||||
|
|
||||||
|
if config.BACKWARDS_COMPAT_IDS:
|
||||||
|
assert all(x in (0, 1) for x in config.BACKWARDS_COMPAT_IDS_FIXED_BITS)
|
||||||
|
BACKWARDS_COMPAT_MSB = sum(
|
||||||
|
y << x for x, y in enumerate(reversed(config.BACKWARDS_COMPAT_IDS_FIXED_BITS)))
|
||||||
|
BACKWARDS_COMPAT_RANDOM_BITS = 53 - len(config.BACKWARDS_COMPAT_IDS_FIXED_BITS)
|
||||||
|
|
||||||
|
app = flask.Flask(__name__)
|
||||||
|
|
||||||
|
psql_pool = ConnectionPool(min_size=2, max_size=32, **config.pgsql_connect_opts, autocommit=True)
|
||||||
|
|
||||||
|
coloredlogs.install(level=config.log_level, milliseconds=True, isatty=True)
|
||||||
|
|
||||||
|
|
||||||
|
def get_psql_conn():
|
||||||
|
if 'psql' not in g:
|
||||||
|
g.psql = psql_pool.getconn()
|
||||||
|
|
||||||
|
return g.psql
|
||||||
|
|
||||||
|
|
||||||
|
@app.teardown_appcontext
|
||||||
|
def release_psql_conn(exception):
|
||||||
|
psql = g.pop('psql', None)
|
||||||
|
|
||||||
|
if psql is not None:
|
||||||
|
psql_pool.putconn(psql)
|
||||||
|
|
||||||
|
|
||||||
|
psql = LocalProxy(get_psql_conn)
|
||||||
|
|
||||||
|
|
||||||
|
@timer(15)
|
||||||
|
def periodic(signum):
|
||||||
|
with app.app_context(), psql, psql.cursor() as cur:
|
||||||
|
cur.execute("DELETE FROM files WHERE expiry <= NOW()")
|
||||||
|
psql.commit()
|
||||||
|
|
||||||
|
# NB: we do this infrequently (once every 30 minutes, per project) because Github rate
|
||||||
|
# limits if you make more than 60 requests in an hour.
|
||||||
|
# Limit to 1 because, if there are more than 1 outdated, it doesn't hurt anything to delay
|
||||||
|
# the next one by 30 seconds (and avoids triggering github rate limiting).
|
||||||
|
cur.execute("""
|
||||||
|
SELECT project, version FROM release_versions
|
||||||
|
WHERE updated < NOW() + '30 minutes ago' LIMIT 1""")
|
||||||
|
row = cur.fetchone()
|
||||||
|
if row:
|
||||||
|
project, old_v = row
|
||||||
|
v = requests.get(
|
||||||
|
'https://api.github.com/repos/{}/releases/latest'.format(project),
|
||||||
|
timeout=5
|
||||||
|
).json()['tag_name']
|
||||||
|
if v != old_v:
|
||||||
|
logging.info("{} latest release version changed from {} to {}".format(
|
||||||
|
project, old_v, v))
|
||||||
|
cur.execute("""
|
||||||
|
UPDATE release_versions SET updated = NOW(), version = %s
|
||||||
|
WHERE project = %s""", (v, project))
|
||||||
|
|
||||||
|
|
||||||
|
def error_resp(code):
|
||||||
|
"""
|
||||||
|
Simple JSON error response to send back, embedded as `status_code` and also as the HTTP response
|
||||||
|
code.
|
||||||
|
"""
|
||||||
|
return flask.Response(
|
||||||
|
json.dumps({'status_code': code}),
|
||||||
|
status=code,
|
||||||
|
mimetype='application/json')
|
||||||
|
|
||||||
|
|
||||||
|
def generate_file_id(data):
|
||||||
|
"""
|
||||||
|
Generate a file ID by blake2b hashing the file body, then using a 33-byte digest encoded into 44
|
||||||
|
base64 chars. (Ideally would be 32, but that would result in base64 padding, so increased to 33
|
||||||
|
to fit perfectly).
|
||||||
|
"""
|
||||||
|
return base64.urlsafe_b64encode(
|
||||||
|
blake2b(data, digest_size=33, salt=b'SessionFileSvr\0\0').digest()).decode()
|
||||||
|
|
||||||
|
|
||||||
|
@app.route('/file', methods=['POST'])
|
||||||
|
def submit_file(*, body=None, deprecated=False):
|
||||||
|
if body is None:
|
||||||
|
body = request.data
|
||||||
|
|
||||||
|
if not 0 < len(body) <= config.MAX_FILE_SIZE:
|
||||||
|
logging.warn("Rejecting upload of size {} ∉ (0, {}]".format(
|
||||||
|
len(body), config.MAX_FILE_SIZE))
|
||||||
|
return error_resp(HTTP_ERROR_PAYLOAD_TOO_LARGE)
|
||||||
|
|
||||||
|
id = None
|
||||||
|
try:
|
||||||
|
if config.BACKWARDS_COMPAT_IDS:
|
||||||
|
done = False
|
||||||
|
for attempt in range(25):
|
||||||
|
|
||||||
|
id = (BACKWARDS_COMPAT_MSB << BACKWARDS_COMPAT_RANDOM_BITS
|
||||||
|
| secrets.randbits(BACKWARDS_COMPAT_RANDOM_BITS))
|
||||||
|
if not deprecated:
|
||||||
|
id = str(id) # New ids are always strings; legacy requests require an integer
|
||||||
|
try:
|
||||||
|
with psql.cursor() as cur:
|
||||||
|
cur.execute(
|
||||||
|
"INSERT INTO files (id, data, expiry) VALUES (%s, %s, NOW() + %s)",
|
||||||
|
(id, body, config.FILE_EXPIRY))
|
||||||
|
except psycopg.errors.UniqueViolation:
|
||||||
|
continue
|
||||||
|
done = True
|
||||||
|
break
|
||||||
|
|
||||||
|
if not done:
|
||||||
|
logging.error(
|
||||||
|
"Tried 25 random IDs and got all constraint failures, something getting wrong!")
|
||||||
|
return error_resp(HTTP_ERROR_INSUFFICIENT_STORAGE)
|
||||||
|
|
||||||
|
else:
|
||||||
|
with psql.transaction(), psql.cursor() as cur:
|
||||||
|
id = generate_file_id(body)
|
||||||
|
try:
|
||||||
|
# Don't pass the data yet because we might be de-duplicating
|
||||||
|
with psql.transaction():
|
||||||
|
cur.execute(
|
||||||
|
"INSERT INTO files (id, data, expiry) VALUES (%s, '', NOW() + %s)",
|
||||||
|
(id, config.FILE_EXPIRY))
|
||||||
|
except psycopg.errors.UniqueViolation:
|
||||||
|
# Found a duplicate id, so de-duplicate by just refreshing the expiry
|
||||||
|
cur.execute(
|
||||||
|
"UPDATE files SET uploaded = NOW(), expiry = NOW() + %s WHERE id = %s",
|
||||||
|
(config.FILE_EXPIRY, id))
|
||||||
|
else:
|
||||||
|
cur.execute("UPDATE files SET data = %s WHERE id = %s", (body, id))
|
||||||
|
|
||||||
|
except Exception as e:
|
||||||
|
logging.error("Failed to insert file: {}".format(e))
|
||||||
|
return error_resp(HTTP_ERROR_INTERNAL_SERVER_ERROR)
|
||||||
|
|
||||||
|
response = {"id": id}
|
||||||
|
if deprecated:
|
||||||
|
response['status_code'] = 200
|
||||||
|
return flask.jsonify(response)
|
||||||
|
|
||||||
|
|
||||||
|
@app.route('/files', methods=['POST'])
|
||||||
|
def submit_file_old():
|
||||||
|
input = request.json()
|
||||||
|
if input is None or 'file' not in input:
|
||||||
|
logging.warn("Invalid request: did not find json with a 'file' property")
|
||||||
|
return error_resp(HTTP_BAD_REQUEST)
|
||||||
|
|
||||||
|
body = input['file']
|
||||||
|
if not 0 < len(body) <= config.MAX_FILE_SIZE_B64:
|
||||||
|
logging.warn("Rejecting upload of b64-encoded size {} ∉ (0, {}]".format(
|
||||||
|
len(body), config.MAX_FILE_SIZE_B64))
|
||||||
|
return error_resp(HTTP_ERROR_PAYLOAD_TOO_LARGE)
|
||||||
|
|
||||||
|
# base64.b64decode is picky about padding (but not, by default, about random non-alphabet
|
||||||
|
# characters in the middle of the data, wtf!)
|
||||||
|
while len(body) % 4 != 0:
|
||||||
|
body += '='
|
||||||
|
body = base64.b64decode(body, validate=True)
|
||||||
|
|
||||||
|
return submit_file(body=body)
|
||||||
|
|
||||||
|
|
||||||
|
@app.route('/file/<id>')
|
||||||
|
def get_file(id):
|
||||||
|
with psql.cursor() as cur:
|
||||||
|
cur.execute("SELECT data FROM files WHERE id = %s", (id,), binary=True)
|
||||||
|
row = cur.fetchone()
|
||||||
|
if row:
|
||||||
|
response = flask.make_response(row[0].tobytes())
|
||||||
|
response.headers.set('Content-Type', 'application/octet-stream')
|
||||||
|
return response
|
||||||
|
else:
|
||||||
|
logging.warn("File '{}' does not exist".format(id))
|
||||||
|
return error_resp(HTTP_NOT_FOUND)
|
||||||
|
|
||||||
|
|
||||||
|
@app.route('/files/<id>')
|
||||||
|
def get_file_old(id):
|
||||||
|
with psql.cursor() as cur:
|
||||||
|
cur.execute("SELECT data FROM files WHERE id = %s", (id,), binary=True)
|
||||||
|
row = cur.fetchone()
|
||||||
|
if row:
|
||||||
|
return flask.jsonify({
|
||||||
|
"status_code": 200,
|
||||||
|
"result": base64.b64encode(row[0])
|
||||||
|
})
|
||||||
|
else:
|
||||||
|
logging.warn("File '{}' does not exist".format(id))
|
||||||
|
return error_resp(HTTP_NOT_FOUND)
|
||||||
|
|
||||||
|
|
||||||
|
@app.route('/file/<id>/info')
|
||||||
|
def get_file_info(id):
|
||||||
|
with psql.cursor() as cur:
|
||||||
|
cur.execute("SELECT length(data), uploaded, expiry FROM files WHERE id = %s", (id,))
|
||||||
|
row = cur.fetchone()
|
||||||
|
if row:
|
||||||
|
return flask.jsonify({
|
||||||
|
"size": row[0],
|
||||||
|
"uploaded": row[1].timestamp(),
|
||||||
|
"expires": row[2].timestamp()
|
||||||
|
})
|
||||||
|
else:
|
||||||
|
logging.warn("File '{}' does not exist".format(id))
|
||||||
|
return error_resp(HTTP_NOT_FOUND)
|
||||||
|
|
||||||
|
|
||||||
|
@app.route('/session_version')
|
||||||
|
def get_session_version():
|
||||||
|
platform = request.args['platform']
|
||||||
|
|
||||||
|
if platform not in ('desktop', 'android', 'ios'):
|
||||||
|
logging.warn("Invalid session platform '{}'".format(platform))
|
||||||
|
return error_resp(HTTP_NOT_FOUND)
|
||||||
|
project = 'oxen-io/session-' + platform
|
||||||
|
|
||||||
|
with psql.cursor() as cur:
|
||||||
|
cur.execute("""
|
||||||
|
SELECT version, updated FROM release_versions
|
||||||
|
WHERE project = %s AND updated >= NOW() + '24 hours ago'
|
||||||
|
""", (project,))
|
||||||
|
row = cur.fetchone()
|
||||||
|
if row is None:
|
||||||
|
logging.warn("{} version is more than 24 hours stale!".format(project))
|
||||||
|
return error_resp(HTTP_BAD_GATEWAY)
|
||||||
|
return flask.jsonify({
|
||||||
|
"status_code": 200,
|
||||||
|
"updated": row[1].timestamp(),
|
||||||
|
"result": row[0]
|
||||||
|
})
|
|
@ -0,0 +1,88 @@
|
||||||
|
#!/usr/bin/env python3
|
||||||
|
|
||||||
|
import psycopg
|
||||||
|
import sys
|
||||||
|
import os
|
||||||
|
import os.path
|
||||||
|
from datetime import datetime
|
||||||
|
|
||||||
|
import config
|
||||||
|
|
||||||
|
psql = psycopg.connect(**config.pgsql_connect_opts, autocommit=True)
|
||||||
|
|
||||||
|
if len(sys.argv) != 2 or sys.argv[1].startswith('-'):
|
||||||
|
print("Usage: {} /path/to/session-open-group-server".format(sys.argv[0]), file=sys.stderr)
|
||||||
|
sys.exit(1)
|
||||||
|
|
||||||
|
filesdir = sys.argv[1] + '/files/main_files'
|
||||||
|
|
||||||
|
if not os.path.isdir(filesdir):
|
||||||
|
print("Error: {} does not exist or is not a directory".format(filesdir), file=sys.stderr)
|
||||||
|
sys.exit(2)
|
||||||
|
|
||||||
|
cur = psql.cursor()
|
||||||
|
|
||||||
|
count = 0
|
||||||
|
committed_size = 0
|
||||||
|
skipped = 0
|
||||||
|
skipped_size = 0
|
||||||
|
started = datetime.now()
|
||||||
|
window = [(0, started)]
|
||||||
|
total_files = sum(1 for _ in os.scandir(filesdir))
|
||||||
|
for dentry in os.scandir(filesdir):
|
||||||
|
if not dentry.name.isdigit() or not dentry.is_file():
|
||||||
|
print("\nWARNING: {} doesn't look like an old file server upload, skipping.".format(
|
||||||
|
dentry.name),
|
||||||
|
file=sys.stderr)
|
||||||
|
continue
|
||||||
|
|
||||||
|
stat = dentry.stat()
|
||||||
|
size = stat.st_size
|
||||||
|
row = cur.execute("SELECT length(data) FROM files WHERE id = %s", (dentry.name,)).fetchone()
|
||||||
|
if row:
|
||||||
|
if size != row[0]:
|
||||||
|
print(("\nWARNING: Skipping duplicate id {} with mismatched size "
|
||||||
|
"(expected {} ≠ actual {})").format(dentry.name, size, row[0]))
|
||||||
|
skipped += 1
|
||||||
|
skipped_size += size
|
||||||
|
|
||||||
|
else:
|
||||||
|
|
||||||
|
uploaded = datetime.fromtimestamp(stat.st_mtime)
|
||||||
|
with open(dentry.path, mode='rb') as f:
|
||||||
|
data = f.read()
|
||||||
|
|
||||||
|
cur.execute(
|
||||||
|
"""
|
||||||
|
INSERT INTO files (id, data, uploaded, expiry)
|
||||||
|
VALUES (%s, %b, %s, %s + %s)
|
||||||
|
""",
|
||||||
|
(dentry.name, data, uploaded, uploaded, config.FILE_EXPIRY))
|
||||||
|
count += 1
|
||||||
|
committed_size += size
|
||||||
|
|
||||||
|
now = datetime.now()
|
||||||
|
if (now - window[-1][1]).total_seconds() > 0.5:
|
||||||
|
if len(window) >= 10:
|
||||||
|
window.pop(0)
|
||||||
|
mb = committed_size / 1_000_000
|
||||||
|
window.append((mb, now))
|
||||||
|
speed = ((window[-1][0] - window[0][0]) / (window[-1][1] - window[0][1]).total_seconds()
|
||||||
|
if len(window) > 1 else 0)
|
||||||
|
print(("\rImported {:,} (new: {:,}, skipped: {:,}) / {:,} files containing "
|
||||||
|
"{:,.1f}MB new ({:,.2f}MB/s), {:,.1f}MB skipped data").format(
|
||||||
|
count + skipped, count, skipped, total_files,
|
||||||
|
mb, speed, skipped_size / 1_000_000
|
||||||
|
), end='', flush=True)
|
||||||
|
|
||||||
|
|
||||||
|
duration = (datetime.now() - started).total_seconds()
|
||||||
|
print("""
|
||||||
|
|
||||||
|
Import finished: imported {:,} files containing {:,d} bytes of data in {:,.2f} seconds ({:,.2f}MB/s)
|
||||||
|
|
||||||
|
Skipped {:,} already-existing files containing {:,} bytes
|
||||||
|
|
||||||
|
""".format(
|
||||||
|
count, committed_size, duration, committed_size / 1_000_000 / duration,
|
||||||
|
skipped, skipped_size))
|
|
@ -0,0 +1,30 @@
|
||||||
|
BEGIN;
|
||||||
|
|
||||||
|
CREATE TABLE files (
|
||||||
|
id VARCHAR(44) PRIMARY KEY CHECK(id ~ '^[a-zA-Z0-9_-]+$'),
|
||||||
|
data BYTEA NOT NULL,
|
||||||
|
uploaded TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
|
||||||
|
expiry TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW() + '30 days'
|
||||||
|
);
|
||||||
|
|
||||||
|
/* Disable default compression of data because we expect to always be given encrypted (and therefore
|
||||||
|
* uncompressable) data: */
|
||||||
|
ALTER TABLE files ALTER COLUMN data SET STORAGE EXTERNAL;
|
||||||
|
|
||||||
|
CREATE INDEX files_expiry ON files(expiry);
|
||||||
|
|
||||||
|
CREATE TABLE release_versions (
|
||||||
|
project varchar(50) PRIMARY KEY,
|
||||||
|
version varchar(25) NOT NULL,
|
||||||
|
updated TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW()
|
||||||
|
);
|
||||||
|
|
||||||
|
-- Abritrary version values at the (approx) time this was written; this don't really matter as
|
||||||
|
-- they'll get updated within a first few seconds of initial startup.
|
||||||
|
INSERT INTO release_versions (project, version, updated) VALUES ('oxen-io/session-desktop', 'v1.7.3', '2021-10-14Z');
|
||||||
|
INSERT INTO release_versions (project, version, updated) VALUES ('oxen-io/session-android', '1.11.11', '2021-10-14Z');
|
||||||
|
INSERT INTO release_versions (project, version, updated) VALUES ('oxen-io/session-ios', '1.11.17', '2021-10-14Z');
|
||||||
|
|
||||||
|
COMMIT;
|
||||||
|
|
||||||
|
-- vim:ft=sql
|
|
@ -0,0 +1,34 @@
|
||||||
|
import logging
|
||||||
|
|
||||||
|
class timer:
|
||||||
|
"""Wrapper around a uwsgi timer that fails gracefully when we aren't under uwsgi. When such a
|
||||||
|
failure occurs the timer does not run."""
|
||||||
|
def __init__(self, secs):
|
||||||
|
try:
|
||||||
|
import uwsgi
|
||||||
|
self.secs = secs
|
||||||
|
except ModuleNotFoundError:
|
||||||
|
import sys
|
||||||
|
logging.error("""
|
||||||
|
WARNING:
|
||||||
|
|
||||||
|
uwsgidecorators not installed or not running under uwsgi.
|
||||||
|
File cleanup and session version updating will not be enabled!
|
||||||
|
""")
|
||||||
|
self.secs = None
|
||||||
|
|
||||||
|
def __call__(self, f):
|
||||||
|
if self.secs is None:
|
||||||
|
return
|
||||||
|
import uwsgi
|
||||||
|
signum = None
|
||||||
|
for n in range(256):
|
||||||
|
if not uwsgi.signal_registered(n):
|
||||||
|
signum = n
|
||||||
|
break
|
||||||
|
if signum is None:
|
||||||
|
raise RuntimeError("Could not find a free uwsgi signal slot")
|
||||||
|
uwsgi.register_signal(signum, '', f)
|
||||||
|
uwsgi.add_timer(signum, self.secs)
|
||||||
|
return f
|
||||||
|
|
Loading…
Reference in New Issue