326 lines
12 KiB
CoffeeScript
326 lines
12 KiB
CoffeeScript
class Wrapper
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constructor: (ws_url) ->
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@log "Created!"
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@loading = new Loading()
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@notifications = new Notifications($(".notifications"))
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@sidebar = new Sidebar()
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window.addEventListener("message", @onMessageInner, false)
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@inner = document.getElementById("inner-iframe").contentWindow
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@ws = new ZeroWebsocket(ws_url)
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@ws.next_message_id = 1000000 # Avoid messageid collision :)
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@ws.onOpen = @onOpenWebsocket
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@ws.onClose = @onCloseWebsocket
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@ws.onMessage = @onMessageWebsocket
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@ws.connect()
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@ws_error = null # Ws error message
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@site_info = null # Hold latest site info
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@event_site_info = $.Deferred() # Event when site_info received
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@inner_loaded = false # If iframe loaded or not
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@inner_ready = false # Inner frame ready to receive messages
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@wrapperWsInited = false # Wrapper notified on websocket open
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@site_error = null # Latest failed file download
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@address = null
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window.onload = @onLoad # On iframe loaded
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$(window).on "hashchange", => # On hash change
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@log "Hashchange", window.location.hash
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if window.location.hash
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src = $("#inner-iframe").attr("src").replace(/#.*/, "")+window.location.hash
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$("#inner-iframe").attr("src", src)
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@
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# Incoming message from UiServer websocket
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onMessageWebsocket: (e) =>
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message = JSON.parse(e.data)
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cmd = message.cmd
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if cmd == "response"
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if @ws.waiting_cb[message.to]? # We are waiting for response
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@ws.waiting_cb[message.to](message.result)
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else
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@sendInner message # Pass message to inner frame
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else if cmd == "notification" # Display notification
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@notifications.add("notification-#{message.id}", message.params[0], message.params[1], message.params[2])
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else if cmd == "prompt" # Prompt input
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@displayPrompt message.params[0], message.params[1], message.params[2], (res) =>
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@ws.response message.id, res
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else if cmd == "setSiteInfo"
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@sendInner message # Pass to inner frame
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if message.params.address == @address # Current page
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@setSiteInfo message.params
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else if cmd == "updating" # Close connection
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@ws.ws.close()
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@ws.onCloseWebsocket(null, 4000)
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else
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@sendInner message # Pass message to inner frame
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# Incoming message from inner frame
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onMessageInner: (e) =>
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message = e.data
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cmd = message.cmd
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if cmd == "innerReady"
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@inner_ready = true
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if @ws.ws.readyState == 1 and not @wrapperWsInited # If ws already opened
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@sendInner {"cmd": "wrapperOpenedWebsocket"}
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@wrapperWsInited = true
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else if cmd == "wrapperNotification" # Display notification
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@actionNotification(message)
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else if cmd == "wrapperConfirm" # Display confirm message
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@actionConfirm(message)
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else if cmd == "wrapperPrompt" # Prompt input
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@actionPrompt(message)
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else if cmd == "wrapperSetViewport" # Set the viewport
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@actionSetViewport(message)
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else if cmd == "wrapperReload" # Reload current page
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@actionReload(message)
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else if cmd == "wrapperGetLocalStorage"
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@actionGetLocalStorage(message)
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else if cmd == "wrapperSetLocalStorage"
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@actionSetLocalStorage(message)
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else # Send to websocket
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if message.id < 1000000
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@ws.send(message) # Pass message to websocket
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else
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@log "Invalid inner message id"
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# - Actions -
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actionNotification: (message) ->
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message.params = @toHtmlSafe(message.params) # Escape html
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body = $("<span class='message'>"+message.params[1]+"</span>")
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@notifications.add("notification-#{message.id}", message.params[0], body, message.params[2])
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displayConfirm: (message, caption, cb) ->
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body = $("<span class='message'>"+message+"</span>")
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button = $("<a href='##{caption}' class='button button-#{caption}'>#{caption}</a>") # Add confirm button
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button.on "click", cb
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body.append(button)
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@notifications.add("notification-#{caption}", "ask", body)
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actionConfirm: (message, cb=false) ->
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message.params = @toHtmlSafe(message.params) # Escape html
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if message.params[1] then caption = message.params[1] else caption = "ok"
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@displayConfirm message.params[0], caption, =>
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@sendInner {"cmd": "response", "to": message.id, "result": "boom"} # Response to confirm
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return false
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displayPrompt: (message, type, caption, cb) ->
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body = $("<span class='message'>"+message+"</span>")
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input = $("<input type='#{type}' class='input button-#{type}'/>") # Add input
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input.on "keyup", (e) => # Send on enter
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if e.keyCode == 13
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button.trigger "click" # Response to confirm
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body.append(input)
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button = $("<a href='##{caption}' class='button button-#{caption}'>#{caption}</a>") # Add confirm button
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button.on "click", => # Response on button click
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cb input.val()
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return false
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body.append(button)
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@notifications.add("notification-#{message.id}", "ask", body)
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actionPrompt: (message) ->
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message.params = @toHtmlSafe(message.params) # Escape html
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if message.params[1] then type = message.params[1] else type = "text"
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caption = "OK"
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@displayPrompt message.params[0], type, caption, (res) =>
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@sendInner {"cmd": "response", "to": message.id, "result": res} # Response to confirm
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actionSetViewport: (message) ->
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@log "actionSetViewport", message
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if $("#viewport").length > 0
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$("#viewport").attr("content", @toHtmlSafe message.params)
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else
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$('<meta name="viewport" id="viewport">').attr("content", @toHtmlSafe message.params).appendTo("head")
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reload: (url_post="") ->
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if url_post
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if window.location.toString().indexOf("?") > 0
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window.location += "&"+url_post
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else
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window.location += "?"+url_post
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else
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window.location.reload()
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actionGetLocalStorage: (message) ->
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$.when(@event_site_info).done =>
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data = localStorage.getItem "site.#{@site_info.address}"
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if data then data = JSON.parse(data)
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@sendInner {"cmd": "response", "to": message.id, "result": data}
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actionSetLocalStorage: (message) ->
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back = localStorage.setItem "site.#{@site_info.address}", JSON.stringify(message.params)
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# EOF actions
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onOpenWebsocket: (e) =>
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@ws.cmd "channelJoin", {"channel": "siteChanged"} # Get info on modifications
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if not @wrapperWsInited and @inner_ready
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@sendInner {"cmd": "wrapperOpenedWebsocket"} # Send to inner frame
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@wrapperWsInited = true
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if @inner_loaded # Update site info
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@reloadSiteInfo()
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# If inner frame not loaded for 2 sec show peer informations on loading screen by loading site info
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setTimeout (=>
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if not @site_info then @reloadSiteInfo()
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), 2000
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if @ws_error
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@notifications.add("connection", "done", "Connection with <b>UiServer Websocket</b> recovered.", 6000)
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@ws_error = null
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onCloseWebsocket: (e) =>
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@wrapperWsInited = false
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setTimeout (=> # Wait a bit, maybe its page closing
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@sendInner {"cmd": "wrapperClosedWebsocket"} # Send to inner frame
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if e and e.code == 1000 and e.wasClean == false # Server error please reload page
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@ws_error = @notifications.add("connection", "error", "UiServer Websocket error, please reload the page.")
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else if not @ws_error
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@ws_error = @notifications.add("connection", "error", "Connection with <b>UiServer Websocket</b> was lost. Reconnecting...")
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), 1000
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# Iframe loaded
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onLoad: (e) =>
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@inner_loaded = true
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if not @inner_ready then @sendInner {"cmd": "wrapperReady"} # Inner frame loaded before wrapper
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#if not @site_error then @loading.hideScreen() # Hide loading screen
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if window.location.hash then $("#inner-iframe")[0].src += window.location.hash # Hash tag
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if @ws.ws.readyState == 1 and not @site_info # Ws opened
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@reloadSiteInfo()
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else if @site_info and @site_info.content?.title?
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window.document.title = @site_info.content.title+" - ZeroNet"
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@log "Setting title to", window.document.title
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# Send message to innerframe
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sendInner: (message) ->
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@inner.postMessage(message, '*')
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# Get site info from UiServer
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reloadSiteInfo: ->
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if @loading.screen_visible # Loading screen visible
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params = {"file_status": window.file_inner_path} # Query the current required file status
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else
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params = {}
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@ws.cmd "siteInfo", params, (site_info) =>
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@address = site_info.address
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@setSiteInfo site_info
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if site_info.settings.size > site_info.size_limit*1024*1024 # Site size too large and not displaying it yet
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@loading.showTooLarge(site_info)
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if site_info.content
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window.document.title = site_info.content.title+" - ZeroNet"
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@log "Setting title to", window.document.title
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# Got setSiteInfo from websocket UiServer
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setSiteInfo: (site_info) ->
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if site_info.event? # If loading screen visible add event to it
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# File started downloading
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if site_info.event[0] == "file_added" and site_info.bad_files
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@loading.printLine("#{site_info.bad_files} files needs to be downloaded")
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# File finished downloading
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else if site_info.event[0] == "file_done"
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@loading.printLine("#{site_info.event[1]} downloaded")
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if site_info.event[1] == window.file_inner_path # File downloaded we currently on
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@loading.hideScreen()
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if not @site_info then @reloadSiteInfo()
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if site_info.content
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window.document.title = site_info.content.title+" - ZeroNet"
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@log "Required file done, setting title to", window.document.title
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if not $(".loadingscreen").length # Loading screen already removed (loaded +2sec)
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@notifications.add("modified", "info", "New version of this page has just released.<br>Reload to see the modified content.")
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# File failed downloading
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else if site_info.event[0] == "file_failed"
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@site_error = site_info.event[1]
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if site_info.settings.size > site_info.size_limit*1024*1024 # Site size too large and not displaying it yet
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@loading.showTooLarge(site_info)
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else
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@loading.printLine("#{site_info.event[1]} download failed", "error")
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# New peers found
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else if site_info.event[0] == "peers_added"
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@loading.printLine("Peers found: #{site_info.peers}")
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if @loading.screen_visible and not @site_info # First site info display current peers
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if site_info.peers > 1
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@loading.printLine "Peers found: #{site_info.peers}"
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else
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@site_error = "No peers found"
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@loading.printLine "No peers found"
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if not @site_info and not @loading.screen_visible and $("#inner-iframe").attr("src").indexOf("?") == -1 # First site info and mainpage
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if site_info.size_limit < site_info.next_size_limit # Need upgrade soon
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@wrapperConfirm "Running out of size limit (#{(site_info.settings.size/1024/1024).toFixed(1)}MB/#{site_info.size_limit}MB)", "Set limit to #{site_info.next_size_limit}MB", =>
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@ws.cmd "siteSetLimit", [site_info.next_size_limit], (res) =>
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@notifications.add("size_limit", "done", res, 5000)
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return false
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if @loading.screen_visible and @inner_loaded and site_info.settings.size < site_info.size_limit*1024*1024 # Loading screen still visible, but inner loaded
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@loading.hideScreen()
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if site_info.tasks > 0 and site_info.started_task_num > 0
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@loading.setProgress 1-(site_info.tasks / site_info.started_task_num)
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else
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@loading.hideProgress()
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@site_info = site_info
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@event_site_info.resolve()
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toHtmlSafe: (values) ->
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if values not instanceof Array then values = [values] # Convert to array if its not
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for value, i in values
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value = String(value).replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>').replace(/"/g, '"') # Escape
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value = value.replace(/<([\/]{0,1}(br|b|u|i))>/g, "<$1>") # Unescape b, i, u, br tags
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values[i] = value
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return values
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setSizeLimit: (size_limit, reload=true) =>
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@ws.cmd "siteSetLimit", [size_limit], (res) =>
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@loading.printLine res
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@inner_loaded = false # Inner frame not loaded, just a 404 page displayed
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if reload
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$("iframe").attr "src", $("iframe").attr("src")+"&"+(+new Date) # Reload iframe
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return false
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log: (args...) ->
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console.log "[Wrapper]", args...
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if window.server_url
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ws_url = "ws://#{window.server_url.replace('http://', '')}/Websocket?wrapper_key=#{window.wrapper_key}"
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else
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ws_url = "ws://#{window.location.hostname}:#{window.location.port}/Websocket?wrapper_key=#{window.wrapper_key}"
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window.wrapper = new Wrapper(ws_url)
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