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Merge pull request #182 from dalf/enh-proxy 

[enh] image-proxy : handle ETag and date related headers, add hash to URL
This commit is contained in:
Adam Tauber 2015-01-18 10:39:13 +01:00
parent a865e6672f 1d51512152
commit 285f991cd0
11 changed files with 39 additions and 15 deletions
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4
searx/templates/courgette/result_templates/code.html
View File

@ -1,9 +1,9 @@
<div class="result {{ result.class }}">
<h3 class="result_title">{% if result['favicon'] %}<img width="14" height="14" class="favicon" src="static/{{theme}}/img/icon_{{result['favicon']}}.ico" alt="{{result['favicon']}}" />{% endif %}<a href="{{ result.url }}">{{ result.title|safe }}</a></h3>
{% if result.publishedDate %}<span class="published_date">{{ result.publishedDate }}</span>{% endif %}
<p class="content">{% if result.img_src %}<img src="{{ result.img_src }}" class="image" />{% endif %}{% if result.content %}{{ result.content|safe }}<br class="last"/>{% endif %}</p>
<p class="content">{% if result.img_src %}<img src="{{ image_proxify(result.img_src) }}" class="image" />{% endif %}{% if result.content %}{{ result.content|safe }}<br class="last"/>{% endif %}</p>
{% if result.repository %}<p class="content"><a href="{{ result.repository|safe }}">{{ result.repository }}</a></p>{% endif %}
{{ result.codelines|code_highlighter(result.code_language)|safe }}
<p class="url">{{ result.pretty_url }}</p>
</div>
</div>

4
searx/templates/courgette/result_templates/videos.html
View File

@ -5,6 +5,6 @@
<h3 class="result_title"><a href="{{ result.url }}">{{ result.title|safe }}</a></h3>
{% if result.publishedDate %}<span class="published_date">{{ result.publishedDate }}</span><br />{% endif %}
<a href="{{ result.url }}"><img width="400" src="{{ result.thumbnail }}" title="{{ result.title|striptags }}" alt="{{ result.title|striptags }}"/></a>
<a href="{{ result.url }}"><img width="400" src="{{ image_proxify(result.thumbnail) }}" title="{{ result.title|striptags }}" alt="{{ result.title|striptags }}"/></a>
<p class="url">{{ result.pretty_url }}</p>
</div>
</div>

2
searx/templates/default/infobox.html
View File

@ -1,6 +1,6 @@
<div class="infobox">
<h2>{{ infobox.infobox }}</h2>
{% if infobox.img_src %}<img src="{{ infobox.img_src }}" title="{{ infobox.infobox|striptags }}" alt="{{ infobox.infobox|striptags }}" />{% endif %}
{% if infobox.img_src %}<img src="{{ image_proxify(infobox.img_src) }}" title="{{ infobox.infobox|striptags }}" alt="{{ infobox.infobox|striptags }}" />{% endif %}
<p>{{ infobox.entity }}</p>
<p>{{ infobox.content | safe }}</p>
{% if infobox.attributes %}

2
searx/templates/default/result_templates/code.html
View File

@ -2,7 +2,7 @@
<h3 class="result_title"> {% if result['favicon'] %}<img width="14" height="14" class="favicon" src="static/{{theme}}/img/icon_{{result['favicon']}}.ico" alt="{{result['favicon']}}" />{% endif %}<a href="{{ result.url }}">{{ result.title|safe }}</a></h3>
<p class="url">{{ result.pretty_url }} <a class="cache_link" href="https://web.archive.org/web/{{ result.url }}">cached</a></p>
{% if result.publishedDate %}<p class="published_date">{{ result.publishedDate }}</p>{% endif %}
<p class="content">{% if result.img_src %}<img src="{{ result.img_src }}" class="image" />{% endif %}{% if result.content %}{{ result.content|safe }}<br class="last"/>{% endif %}</p>
<p class="content">{% if result.img_src %}<img src="{{ image_proxify(result.img_src) }}" class="image" />{% endif %}{% if result.content %}{{ result.content|safe }}<br class="last"/>{% endif %}</p>
{% if result.repository %}<p class="result-content"><a href="{{ result.repository|safe }}">{{ result.repository }}</a></p>{% endif %}
{{ result.codelines|code_highlighter(result.code_language)|safe }}

2
searx/templates/default/result_templates/default.html
View File

@ -2,5 +2,5 @@
<h3 class="result_title">{% if "icon_"~result.engine~".ico" in favicons %}<img width="14" height="14" class="favicon" src="{{ url_for('static', filename='img/icons/icon_'+result.engine+'.ico') }}" alt="{{result.engine}}" />{% endif %}<a href="{{ result.url }}">{{ result.title|safe }}</a></h3>
<p class="url">{{ result.pretty_url }} <a class="cache_link" href="https://web.archive.org/web/{{ result.url }}">cached</a>
{% if result.publishedDate %}<span class="published_date">{{ result.publishedDate }}</span>{% endif %}</p>
<p class="content">{% if result.img_src %}<img src="{{ result.img_src }}" class="image" />{% endif %}{% if result.content %}{{ result.content|safe }}<br class="last"/>{% endif %}</p>
<p class="content">{% if result.img_src %}<img src="{{ image_proxify(result.img_src) }}" class="image" />{% endif %}{% if result.content %}{{ result.content|safe }}<br class="last"/>{% endif %}</p>
</div>

2
searx/templates/default/result_templates/map.html
View File

@ -8,6 +8,6 @@
<h3 class="result_title"><a href="{{ result.url }}">{{ result.title|safe }}</a></h3>
<p class="url">{{ result.pretty_url }} <a class="cache_link" href="https://web.archive.org/web/{{ result.url }}">cached</a>
{% if result.publishedDate %}<span class="published_date">{{ result.publishedDate }}</span>{% endif %}</p>
<p class="content">{% if result.img_src %}<img src="{{ result.img_src }}" class="image" />{% endif %}{% if result.content %}{{ result.content|safe }}<br class="last"/>{% endif %}</p>
<p class="content">{% if result.img_src %}<img src="{{ image_proxify(result.img_src) }}" class="image" />{% endif %}{% if result.content %}{{ result.content|safe }}<br class="last"/>{% endif %}</p>
</div>
</div>

2
searx/templates/default/result_templates/videos.html
View File

@ -1,6 +1,6 @@
<div class="result">
<h3 class="result_title">{% if "icon_"~result.engine~".ico" in favicons %}<img width="14" height="14" class="favicon" src="{{ url_for('static', filename='img/icons/icon_'+result.engine+'.ico') }}" alt="{{result.engine}}" />{% endif %}<a href="{{ result.url }}">{{ result.title|safe }}</a></h3>
{% if result.publishedDate %}<span class="published_date">{{ result.publishedDate }}</span><br />{% endif %}
<a href="{{ result.url }}"><img class="thumbnail" src="{{ result.thumbnail }}" title="{{ result.title|striptags }}" alt="{{ result.title|striptags }}"/></a>
<a href="{{ result.url }}"><img class="thumbnail" src="{{ image_proxify(result.thumbnail) }}" title="{{ result.title|striptags }}" alt="{{ result.title|striptags }}"/></a>
<p class="url">{{ result.url }}</p>
</div>

2
searx/templates/oscar/infobox.html
View File

@ -3,7 +3,7 @@
<h4 class="panel-title">{{ infobox.infobox }}</h4>
</div>
<div class="panel-body">
{% if infobox.img_src %}<img class="img-responsive center-block infobox_part" src="{{ infobox.img_src }}" alt="{{ infobox.infobox }}" />{% endif %}
{% if infobox.img_src %}<img class="img-responsive center-block infobox_part" src="{{ image_proxify(infobox.img_src) }}" alt="{{ infobox.infobox }}" />{% endif %}
{% if infobox.content %}<p class="infobox_part">{{ infobox.content }}</p>{% endif %}
{% if infobox.attributes %}

2
searx/templates/oscar/result_templates/videos.html
View File

@ -15,7 +15,7 @@
<div class="container-fluid">
<div class="row">
<a href="{{ result.url }}"><img class="thumbnail col-xs-6 col-sm-4 col-md-4 result-content" src="{{ result.thumbnail|safe }}" alt="{{ result.title|striptags }} {{ result.engine }}" /></a>
<a href="{{ result.url }}"><img class="thumbnail col-xs-6 col-sm-4 col-md-4 result-content" src="{{ image_proxify(result.thumbnail) }}" alt="{{ result.title|striptags }} {{ result.engine }}" /></a>
{% if result.content %}<p class="col-xs-12 col-sm-8 col-md-8 result-content">{{ result.content|safe }}</p>{% endif %}
</div>
</div>

8
searx/utils.py
View File

@ -206,3 +206,11 @@ def format_date_by_locale(date_string, locale_string):
except:
logger.warning('cannot set original locale: {0}'.format(orig_locale))
return formatted_date
def dict_subset(d, properties):
result = {}
for k in properties:
if k in d:
result[k] = d[k]
return result

24
searx/webapp.py
View File

@ -25,6 +25,7 @@ if __name__ == '__main__':
import json
import cStringIO
import os
import hashlib
from datetime import datetime, timedelta
from requests import get as http_get
@ -41,7 +42,7 @@ from searx.engines import (
)
from searx.utils import (
UnicodeWriter, highlight_content, html_to_text, get_themes,
get_static_files, get_result_templates, gen_useragent
get_static_files, get_result_templates, gen_useragent, dict_subset
)
from searx.version import VERSION_STRING
from searx.languages import language_codes
@ -216,8 +217,10 @@ def image_proxify(url):
if not settings['server'].get('image_proxy') and not request.cookies.get('image_proxy'):
return url
h = hashlib.sha256(url + settings['server']['secret_key']).hexdigest()
return '{0}?{1}'.format(url_for('image_proxy'),
urlencode(dict(url=url)))
urlencode(dict(url=url, h=h)))
def render(template_name, override_theme=None, **kwargs):
@ -562,10 +565,21 @@ def image_proxy():
if not url:
return '', 400
h = hashlib.sha256(url + settings['server']['secret_key']).hexdigest()
if h != request.args.get('h'):
return '', 400
headers = dict_subset(request.headers, {'If-Modified-Since', 'If-None-Match'})
headers['User-Agent'] = gen_useragent()
resp = http_get(url,
stream=True,
timeout=settings['server'].get('request_timeout', 2),
headers={'User-Agent': gen_useragent()})
headers=headers)
if resp.status_code == 304:
return '', resp.status_code
if resp.status_code != 200:
logger.debug('image-proxy: wrong response code: {0}'.format(resp.status_code))
@ -586,7 +600,9 @@ def image_proxy():
return '', 502 # Bad gateway - file is too big (>5M)
img += chunk
return Response(img, mimetype=resp.headers['content-type'])
headers = dict_subset(resp.headers, {'Content-Length', 'Length', 'Date', 'Last-Modified', 'Expires', 'Etag'})
return Response(img, mimetype=resp.headers['content-type'], headers=headers)
@app.route('/stats', methods=['GET'])