in the middle of rewriting it
This commit is contained in:
Marc Wäckerlin
@@ -1,245 +1,313 @@
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/*! @file
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@id $Id$
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@id $Id$
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This is the main application as it is fully run in the user's browser.
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This is the main application as it is fully run in the user's browser.
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@dot
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digraph X {
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@dot
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digraph X {
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start [URL="\ref start()"];
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newuser [URL="\ref newuser()"];
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login [URL="\ref login()"];
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createkeypair [URL="\ref createkeypair()"];
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chat [URL="\ref chat()"];
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getpwd [URL="\ref getpwd()"];
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setpw [URL="\ref setpw()"];
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get [URL="\ref get()"];
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sendmessage [URL="\ref sendmessage()"];
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start -> newuser [label="if no keys exist"];
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start -> login [label="if keys exist"];
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newuser -> createkeypair [label="on submit"];
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createkeypair -> "openpgp.generateKeyPair";
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"openpgp.generateKeyPair" -> login [label="keys generated in local store"];
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login -> chat [label="user is valid on server"];
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chat -> getpwd [label="password not yet entered"];
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getpwd -> setpw [label="on input"];
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setpw -> chat [label="password is valid"];
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chat -> chat [label="remain in chat"];
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chat -> get [label="start timer"];
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get -> get [label="restart timer"];
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chat -> sendmessage [label="on submit"];
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sendmessage -> chat [label="remain in chat"];
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}
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@enddot
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*/
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start [URL="\ref start()"];
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newuser [URL="\ref newuser()"];
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login [URL="\ref login()"];
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createkeypair [URL="\ref createkeypair()"];
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chat [URL="\ref chat()"];
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getpwd [URL="\ref getpwd()"];
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setpw [URL="\ref setpw()"];
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get [URL="\ref get()"];
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sendmessage [URL="\ref sendmessage()"];
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start -> newuser [label="if no keys exist"];
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start -> login [label="if keys exist"];
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newuser -> createkeypair [label="on submit"];
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createkeypair -> "openpgp.generateKey";
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"openpgp.generateKey" -> login [label="keys generated in local store"];
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login -> chat [label="user is valid on server"];
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chat -> getpwd [label="password not yet entered"];
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getpwd -> setpw [label="on input"];
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setpw -> chat [label="password is valid"];
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chat -> chat [label="remain in chat"];
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chat -> get [label="start timer"];
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get -> get [label="restart timer"];
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chat -> sendmessage [label="on submit"];
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sendmessage -> chat [label="remain in chat"];
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}
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@enddot
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*/
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// 1 2 3 4 5 6 7 8
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// 45678901234567890123456789012345678901234567890123456789012345678901234567890
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function SafeChatClient(success, notice, error) {
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/// Cache Client's Key from local Strorage
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var k = null;
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/// Get User Key
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/** @internal key ist cached in k
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@return key */
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function key() {
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if (k) return k
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if (typeof localStorage.key == 'undefined') return null
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return k = openpgp.key.readArmored(localStorage.key)
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}
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/// Get Own User Name
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/** Get user name as user id of first public key */
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function uid() {
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if (k || key()) return k.pub.keys[0].getUserIds()[0]
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return null
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}
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/// Create New User
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function createuser(user, email, pwd) {
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notice("generating keys")
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openpgp.generateKey({
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numBits: 4096,
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userIds: [{name: user, email: email}],
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passphrase: pwd
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}).then(function(keyPair) {
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success("keys generated")
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localStorage.key = keyPair.privateKeyArmored
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k = keyPair.key
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}).catch(function(e) {
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console.log(e)
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error("generating key pairs failed")
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})
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}
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function password(pwd) {
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return (k || keys()) && k.keys[0].decrypt(pwd)
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}
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/// Encrypt Message
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function encrypt(targetkeys, message, done, failed) {
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if (!k) return false
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openpgp.encrypt({
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publicKeys: targets.keys.concat(k.keys),
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privateKeys: k,
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data: message,
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armor: false})
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.then(done)
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.else(failed)
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return true
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}
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/// Decrypt Message
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function decrypt(message) {
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if (!k) return false
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return true
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}
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}
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var password = null; ///< password, only stored temporary, until reload
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var username = null; ///< username, only used during registration
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var filecontent = new Array(); ///< temporary storage for attachments
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var socket = io.connect();
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var hostname = window.location.hostname!='localhost'?window.location.hostname:'safechat.ch';
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/// Padding for numbers in dates
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function pad(n) {
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return n<10 ? '0'+n : n
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return n<10 ? '0'+n : n
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}
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function uid(name) {
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return name+' <'+name+'@'+hostname+'>';
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}
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/// Convert number of bytes to readable text
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function size(num) {
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if (num>0.6*1024) {
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if (num>0.6*1024*1024) {
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if (num>0.6*1024*1024*1024) {
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if (num>0.6*1024*1024*1024*1024) {
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return Math.round(num/1024/1024/1024/1024)+"TB";
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} else {
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return Math.round(num/1024/1024/1024)+"GB";
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}
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} else {
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return Math.round(num/1024/1024)+"MB";
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}
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if (num>0.6*1024) {
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if (num>0.6*1024*1024) {
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if (num>0.6*1024*1024*1024) {
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if (num>0.6*1024*1024*1024*1024) {
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return Math.round(num/1024/1024/1024/1024)+"TB";
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} else {
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return Math.round(num/1024)+"kB";
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return Math.round(num/1024/1024/1024)+"GB";
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}
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} else {
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return Math.round(num/1024/1024)+"MB";
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}
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} else {
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return num+"B";
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return Math.round(num/1024)+"kB";
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}
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} else {
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return num+"B";
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}
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}
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var reboottimer = null;
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/// Show error messsage
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/** Fades in an error message and logs to console.
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@param data (optional) The error can be a string or any structure.
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Strings are shown to the user, structures are logged only.
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@param stay (optional) If not given as @c true, reloads page after 5s. */
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@param data (optional) The error can be a string or any structure.
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Strings are shown to the user, structures are logged only.
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@param stay (optional) If not given as @c true, reloads page after 5s. */
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function error(data, stay) {
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$("#status").hide();
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$("#status").addClass("error")
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$("#status").removeClass("notice")
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$("#status").removeClass("success")
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if (data) {
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if (typeof data == 'string') {
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$("#status").html(data);
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console.log("error: "+data);
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} else {
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$("#status").html('unknown error: '+JSON.stringify(data));
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console.log("error: "+JSON.stringify(data));
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}
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$("#status").hide();
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$("#status").addClass("error")
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$("#status").removeClass("notice")
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$("#status").removeClass("success")
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if (data) {
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if (typeof data == 'string') {
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$("#status").html(data);
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console.log("error: "+data);
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} else {
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$("#status").html('error');
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console.log("error");
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}
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$("#status").show();
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if (!stay) {
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console.log("reboot in 5s");
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console.log((new Error('stacktrace')).stack);
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if (!reboottimer) reboottimer = setTimeout(function() {
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reboottimer = null;
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start();
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}, 5000);
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$("#status").html('unknown error: '+JSON.stringify(data));
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console.log("error: "+JSON.stringify(data));
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}
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} else {
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$("#status").html('error');
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console.log("error");
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}
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$("#status").show();
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if (!stay) {
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console.log("reboot in 5s");
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console.log((new Error('stacktrace')).stack);
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if (!reboottimer) reboottimer = setTimeout(function() {
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reboottimer = null;
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start();
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}, 5000);
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}
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}
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/// Show notice messsage
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/** Fades in an notice message and logs to console.
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@param text (optional) The data is a string. */
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@param text (optional) The data is a string. */
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function notice(text) {
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$("#status").hide()
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$("#status").addClass("notice")
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$("#status").removeClass("error")
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$("#status").removeClass("success")
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if (text) {
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$("#status").html(text);
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console.log("notice: "+text);
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} else {
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$("#status").html('');
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console.log("notice");
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}
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$("#status").show();
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$("#status").hide()
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$("#status").addClass("notice")
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$("#status").removeClass("error")
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$("#status").removeClass("success")
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if (text) {
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$("#status").html(text);
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console.log("notice: "+text);
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} else {
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$("#status").html('');
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console.log("notice");
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}
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$("#status").show();
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}
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/// Show notice messsage
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/** Fades in an success message and logs to console.
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@param text (optional) The data is a string. */
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@param text (optional) The data is a string. */
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function success(text) {
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$("#status").hide();
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$("#status").addClass("success")
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$("#status").removeClass("error")
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$("#status").removeClass("notice")
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if (text) {
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$("#status").html(text);
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console.log("success: "+text);
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} else {
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$("#status").html('');
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console.log("success");
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}
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$("#status").show();
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$("#status").hide();
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$("#status").addClass("success")
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$("#status").removeClass("error")
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$("#status").removeClass("notice")
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if (text) {
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$("#status").html(text);
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console.log("success: "+text);
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} else {
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$("#status").html('');
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console.log("success");
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}
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$("#status").show();
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}
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/// Show status message in the main screen area
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/** @param id HTML id to be shown.
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@param msg The success message text */
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@param msg The success message text */
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function status(id, msg) {
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console.log("state: "+id);
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if (msg) success(msg); else $("#status").hide();
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$("#main").children(":not(#"+id+")").hide();
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$("#main #"+id).show();
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$("#main #"+id+" form input:first-child").focus();
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console.log("state: "+id);
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if (msg) success(msg); else $("#status").hide();
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$("#main").children(":not(#"+id+")").hide();
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$("#main #"+id).show();
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$("#main #"+id+" form input:first-child").focus();
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}
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function emit(signal, data) {
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console.log("<-snd "+signal);
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socket.emit(signal, data);
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console.log("<-snd "+signal);
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socket.emit(signal, data);
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}
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function connected() {
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console.log("server connected");
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$("#connectionstatus #bad").hide();
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$("#connectionstatus #good").show();
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success("server connected");
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console.log("server connected");
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$("#connectionstatus #bad").hide();
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$("#connectionstatus #good").show();
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success("server connected");
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}
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function disconnected() {
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console.log("server disconnected");
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$("#connectionstatus #good").hide();
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$("#connectionstatus #bad").show();
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error("server disconnected", true);
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console.log("server disconnected");
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$("#connectionstatus #good").hide();
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$("#connectionstatus #bad").show();
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error("server disconnected", true);
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}
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function connectionstatus() {
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if (socket.connected) connected(); else disconnected();
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if (socket.connected) connected(); else disconnected();
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}
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function htmlenc(html) {
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return $('<div/>').text(html).html();
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return $('<div/>').text(html).html();
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}
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function htmldec(data) {
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return $('<div/>').html(data).text();
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return $('<div/>').html(data).text();
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}
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/// Alert user
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/** Alert user, e.g. that a new message has arrived. */
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function beep(user) {
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if (user) success("message from "+htmlenc(user)+" received");
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navigator.vibrate =
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navigator.vibrate || navigator.webkitVibrate || navigator.mozVibrate || navigator.msVibrate;
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if (navigator.vibrate) {
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// vibration API supported
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navigator.vibrate(1000);
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}
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(new Audio("sounds/A-Tone-His_Self-1266414414.mp3")).play();
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if (user) success("message from "+htmlenc(user)+" received");
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navigator.vibrate =
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navigator.vibrate || navigator.webkitVibrate || navigator.mozVibrate || navigator.msVibrate;
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if (navigator.vibrate) {
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// vibration API supported
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navigator.vibrate(1000);
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}
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(new Audio("sounds/A-Tone-His_Self-1266414414.mp3")).play();
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}
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/// Toggle Menu Display
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function togglemenu() {
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$("#menu").toggle();
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$("#menu").toggle();
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}
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/// Download Profile Backup
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function backup() {
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var download = document.createElement('a');
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download.href = 'data:attachment/text,'+encodeURI(JSON.stringify(localStorage));
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download.target = '_blank';
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var now = new Date();
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download.download =
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pad(now.getFullYear())+pad(now.getMonth()+1)+pad(now.getDate())+
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"-"+userid()+"@"+window.location.hostname+".bak";
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var clickEvent = new MouseEvent("click", {
|
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"view": window,
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"bubbles": true,
|
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"cancelable": false
|
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});
|
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download.dispatchEvent(clickEvent);
|
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togglemenu();
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var download = document.createElement('a');
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download.href = 'data:attachment/text,'+encodeURI(JSON.stringify(localStorage));
|
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download.target = '_blank';
|
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var now = new Date();
|
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download.download =
|
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pad(now.getFullYear())+pad(now.getMonth()+1)+pad(now.getDate())+
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"-"+userid()+"@"+hostname+".bak";
|
||||
var clickEvent = new MouseEvent("click", {
|
||||
"view": window,
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"bubbles": true,
|
||||
"cancelable": false
|
||||
});
|
||||
download.dispatchEvent(clickEvent);
|
||||
togglemenu();
|
||||
}
|
||||
|
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/// Upload Profile Backup
|
||||
function restore(evt) {
|
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if (!window.FileReader)
|
||||
return error("your browser does not support file upload", true);
|
||||
for (var i=0, f; f=evt.target.files[i]; ++i) {
|
||||
var file = f;
|
||||
var reader = new FileReader();
|
||||
reader.onload = function(evt) {
|
||||
if (evt.target.error) return error("error reading file", true);
|
||||
if (evt.target.readyState==0) return notice("waiting for data …");
|
||||
if (evt.target.readyState==1) return notice("loading data …");
|
||||
var parsed=JSON.parse(evt.target.result);
|
||||
togglemenu();
|
||||
localStorage.pubkey = parsed.pubkey;
|
||||
localStorage.privkey = parsed.privkey;
|
||||
success("backup is restored");
|
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console.log("reboot after restore in 2s");
|
||||
if (!reboottimer) reboottimer = setTimeout(function() {
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||||
reboottimer = null;
|
||||
start();
|
||||
}, 2000);
|
||||
}
|
||||
reader.readAsText(file);
|
||||
if (!window.FileReader)
|
||||
return error("your browser does not support file upload", true);
|
||||
for (var i=0, f; f=evt.target.files[i]; ++i) {
|
||||
var file = f;
|
||||
var reader = new FileReader();
|
||||
reader.onload = function(evt) {
|
||||
if (evt.target.error) return error("error reading file", true);
|
||||
if (evt.target.readyState==0) return notice("waiting for data …");
|
||||
if (evt.target.readyState==1) return notice("loading data …");
|
||||
var parsed=JSON.parse(evt.target.result);
|
||||
togglemenu();
|
||||
localStorage.pubkey = parsed.pubkey;
|
||||
localStorage.privkey = parsed.privkey;
|
||||
success("backup is restored");
|
||||
console.log("reboot after restore in 2s");
|
||||
if (!reboottimer) reboottimer = setTimeout(function() {
|
||||
reboottimer = null;
|
||||
start();
|
||||
}, 2000);
|
||||
}
|
||||
reader.readAsText(file);
|
||||
}
|
||||
}
|
||||
|
||||
/// Configure local groups
|
||||
@@ -249,573 +317,582 @@ function groups() {
|
||||
|
||||
/// Check if password is set and matches the repeated password
|
||||
/** Checks if both passwords are identical and valid and gives
|
||||
feedback to the user.
|
||||
feedback to the user.
|
||||
|
||||
Called when user edits the password fields.
|
||||
Called when user edits the password fields.
|
||||
|
||||
Sets @ref username and checks @ref password - if both are well
|
||||
defined, enables the submit button.
|
||||
Sets @ref username and checks @ref password - if both are well
|
||||
defined, enables the submit button.
|
||||
|
||||
@param pwd The password.
|
||||
@param pwd2 The repeated password. */
|
||||
@param pwd The password.
|
||||
@param pwd2 The repeated password. */
|
||||
function checkpwd(pwd, pwd2) {
|
||||
$("#register").submit(function(event) {
|
||||
return false;
|
||||
});
|
||||
if (pwd==pwd2) password=pwd;
|
||||
else password=null;
|
||||
if (!password||password.length<1) password=null;
|
||||
$("#createuser").prop("disabled", !(username && password));
|
||||
if (password) {
|
||||
if (username) success("user is ready to be created");
|
||||
else notice("password matches, please chose a valid user name");
|
||||
} else {
|
||||
if (username) notice("passwords don't match");
|
||||
else if ($('#user').val()) notice("user name is already in use");
|
||||
else notice("please chose a user name");
|
||||
|
||||
}
|
||||
$("#register").submit(function(event) {
|
||||
return false;
|
||||
});
|
||||
if (pwd==pwd2) password=pwd;
|
||||
else password=null;
|
||||
if (!password||password.length<1) password=null;
|
||||
$("#createuser").prop("disabled", !(username && password));
|
||||
if (password) {
|
||||
if (username) success("user is ready to be created");
|
||||
else notice("password matches, please chose a valid user name");
|
||||
} else {
|
||||
if (username) notice("passwords don't match");
|
||||
else if ($('#user').val()) notice("user name is already in use");
|
||||
else notice("please chose a user name");
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
/// Checks if the receiver of a message exists on server.
|
||||
/** Calls checknewuser.php on server and enables the message submit
|
||||
button if the receiver of the message exists on the server. */
|
||||
button if the receiver of the message exists on the server. */
|
||||
function checkpartner(user) {
|
||||
$("#chat").submit(function(event) {
|
||||
return false;
|
||||
});
|
||||
emit("user", user);
|
||||
$("#chat").submit(function(event) {
|
||||
return false;
|
||||
});
|
||||
emit("user", uid(user));
|
||||
}
|
||||
|
||||
/// Create Local Public-/Private-Key Pair
|
||||
/** Called if user has not yet his keys, just generates a new key pair. */
|
||||
function createkeypair(user, pwd) {
|
||||
notice("generating keys");
|
||||
openpgp.generateKeyPair({
|
||||
numBits: 4096,
|
||||
userId: user,
|
||||
passphrase: pwd
|
||||
}).then(function(keyPair) {
|
||||
success("keys generated");
|
||||
localStorage.pubkey = keyPair.publicKeyArmored;
|
||||
localStorage.privkey = keyPair.privateKeyArmored;
|
||||
login();
|
||||
}).catch(function(e) {
|
||||
error("generating key pairs failed");
|
||||
});
|
||||
notice("generating keys");
|
||||
openpgp.generateKey({
|
||||
numBits: 4096,
|
||||
userIds: [{name: user, email: user+'@'+hostname}],
|
||||
passphrase: pwd
|
||||
}).then(function(keyPair) {
|
||||
success("keys generated");
|
||||
localStorage.pubkey = keyPair.publicKeyArmored;
|
||||
localStorage.privkey = keyPair.privateKeyArmored;
|
||||
login();
|
||||
}).catch(function(e) {
|
||||
console.log(e)
|
||||
error("generating key pairs failed")
|
||||
});
|
||||
}
|
||||
|
||||
/// Get Own Public Key
|
||||
/** @return public key object */
|
||||
function publicKey() {
|
||||
if (typeof localStorage.pubkey == 'undefined') {
|
||||
if (typeof localStorage.pubKey == 'undefined') {
|
||||
return null;
|
||||
} else {
|
||||
localStorage.pubkey = localStorage.pubKey;
|
||||
localStorage.removeItem(pubKey);
|
||||
}
|
||||
if (typeof localStorage.pubkey == 'undefined') {
|
||||
if (typeof localStorage.pubKey == 'undefined') {
|
||||
return null;
|
||||
} else {
|
||||
localStorage.pubkey = localStorage.pubKey;
|
||||
localStorage.removeItem(pubKey);
|
||||
}
|
||||
return openpgp.key.readArmored(localStorage.pubkey);
|
||||
}
|
||||
return openpgp.key.readArmored(localStorage.pubkey);
|
||||
}
|
||||
|
||||
/// Get Own Private Key
|
||||
/** @return private key object */
|
||||
function privateKey() {
|
||||
if (typeof localStorage.privkey == 'undefined') {
|
||||
if (typeof localStorage.privKey == 'undefined') {
|
||||
return null;
|
||||
} else {
|
||||
localStorage.privkey = localStorage.privKey;
|
||||
localStorage.removeItem(privKey);
|
||||
}
|
||||
if (typeof localStorage.privkey == 'undefined') {
|
||||
if (typeof localStorage.privKey == 'undefined') {
|
||||
return null;
|
||||
} else {
|
||||
localStorage.privkey = localStorage.privKey;
|
||||
localStorage.removeItem(privKey);
|
||||
}
|
||||
return openpgp.key.readArmored(localStorage.privkey);
|
||||
}
|
||||
return openpgp.key.readArmored(localStorage.privkey);
|
||||
}
|
||||
|
||||
/// Get Own User Name
|
||||
/** Get user name as user id of first public key */
|
||||
function userid() {
|
||||
if (!publicKey() ||
|
||||
publicKey().keys.length < 1 ||
|
||||
publicKey().keys[0].getUserIds().length < 1) return null
|
||||
return publicKey().keys[0].getUserIds()[0];
|
||||
if (!publicKey() ||
|
||||
publicKey().keys.length < 1 ||
|
||||
publicKey().keys[0].getUserIds().length < 1) return null
|
||||
return publicKey().keys[0].getUserIds()[0];
|
||||
}
|
||||
|
||||
/// Clear Message Text And Attachments
|
||||
/** Does not remove the receiver's name */
|
||||
function clearmessage() {
|
||||
$("#message").prop(":disabled", true);
|
||||
filecontent = new Array();
|
||||
$('#preview').empty();
|
||||
$("#msg").val("");
|
||||
$("#message").prop(":disabled", false);
|
||||
$("#message").prop(":disabled", true);
|
||||
filecontent = new Array();
|
||||
$('#preview').empty();
|
||||
$("#msg").val("");
|
||||
$("#message").prop(":disabled", false);
|
||||
}
|
||||
|
||||
function guessfilename(mimetype, user, date) {
|
||||
if (!user) user = userid();
|
||||
if (!date) date = new Date();
|
||||
var ext = mimetype.replace(/.*\/(x-)?/i, "");
|
||||
return pad(date.getFullYear())+pad(date.getMonth()+1)+pad(date.getDate())
|
||||
+"-"+ext+"-"+user+"@"+window.location.hostname+'.'+ext;
|
||||
if (!user) user = userid();
|
||||
if (!date) date = new Date();
|
||||
var ext = mimetype.replace(/.*\/(x-)?/i, "");
|
||||
return pad(date.getFullYear())+pad(date.getMonth()+1)+pad(date.getDate())
|
||||
+"-"+ext+"-"+user+"@"+hostname+'.'+ext;
|
||||
}
|
||||
|
||||
/// Display Image Attachments
|
||||
function attachments(files, id, from, date) {
|
||||
if (files) files.forEach(function(file) {
|
||||
console.log(file);
|
||||
if (!file.name) file.name = guessfilename(file.type, from, date);
|
||||
var a = document.createElement('a');
|
||||
a.href = file.content;
|
||||
a.download = file.name;
|
||||
a.target = '_blank';
|
||||
if (file.type.match('^image/')) {
|
||||
var img = document.createElement('img');
|
||||
img.title = file.name;
|
||||
img.src = file.content;
|
||||
a.appendChild(img);
|
||||
} else if (file.type.match('^video/')) {
|
||||
var video = document.createElement('video');
|
||||
video.controls = true;
|
||||
video.title = file.name;
|
||||
video.src = file.content;
|
||||
a.appendChild(video);
|
||||
} else {
|
||||
var img = document.createElement('img');
|
||||
img.title = file.name;
|
||||
img.src = "images/Document_sans_PICOL-PIctorial-COmmunication-Language.svg";
|
||||
a.appendChild(img);
|
||||
}
|
||||
$(id).append(a);
|
||||
});
|
||||
if (files) files.forEach(function(file) {
|
||||
console.log(file);
|
||||
if (!file.name) file.name = guessfilename(file.type, from, date);
|
||||
var a = document.createElement('a');
|
||||
a.href = file.content;
|
||||
a.download = file.name;
|
||||
a.target = '_blank';
|
||||
if (file.type.match('^image/')) {
|
||||
var img = document.createElement('img');
|
||||
img.title = file.name;
|
||||
img.src = file.content;
|
||||
a.appendChild(img);
|
||||
} else if (file.type.match('^video/')) {
|
||||
var video = document.createElement('video');
|
||||
video.controls = true;
|
||||
video.title = file.name;
|
||||
video.src = file.content;
|
||||
a.appendChild(video);
|
||||
} else {
|
||||
var img = document.createElement('img');
|
||||
img.title = file.name;
|
||||
img.src = "images/Document_sans_PICOL-PIctorial-COmmunication-Language.svg";
|
||||
a.appendChild(img);
|
||||
}
|
||||
$(id).append(a);
|
||||
});
|
||||
}
|
||||
|
||||
var recorder;
|
||||
|
||||
function done() {
|
||||
if (recorder) {
|
||||
recorder.stop();
|
||||
recorder.recording(function(data) {
|
||||
previewfile(data, "video/webm");
|
||||
abort();
|
||||
});
|
||||
}
|
||||
if (recorder) {
|
||||
recorder.stop();
|
||||
recorder.recording(function(data) {
|
||||
previewfile(data, "video/webm");
|
||||
abort();
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
function abort() {
|
||||
if (recorder) {
|
||||
$("#videorecorder").hide();
|
||||
recorder.release();
|
||||
delete recorder; recorder = null;
|
||||
}
|
||||
if (recorder) {
|
||||
$("#videorecorder").hide();
|
||||
recorder.release();
|
||||
delete recorder; recorder = null;
|
||||
}
|
||||
}
|
||||
|
||||
/// Record Video from builtin camera
|
||||
function recordvideo() {
|
||||
try {
|
||||
abort();
|
||||
$("#videorecorder").show();
|
||||
recorder = new MediaStreamRecorder({
|
||||
video: {
|
||||
width: {ideal: 180},
|
||||
height: {ideal: 160}
|
||||
},
|
||||
audio: true
|
||||
});
|
||||
recorder.on("ready", function() {
|
||||
$("#videorecorder video").attr("src", recorder.preview());
|
||||
$("#videorecorder video").css("width", 180);
|
||||
$("#videorecorder video").css("height", 160);
|
||||
$("#videorecorder video").attr("width", 180);
|
||||
$("#videorecorder video").attr("height", 160);
|
||||
recorder.start();
|
||||
});
|
||||
} catch (e) {
|
||||
console.log(e);
|
||||
error("cannot access camera", true);
|
||||
}
|
||||
try {
|
||||
abort();
|
||||
$("#videorecorder").show();
|
||||
recorder = new MediaStreamRecorder({
|
||||
video: {
|
||||
width: {ideal: 180},
|
||||
height: {ideal: 160}
|
||||
},
|
||||
audio: true
|
||||
});
|
||||
recorder.on("ready", function() {
|
||||
$("#videorecorder video").attr("src", recorder.preview());
|
||||
$("#videorecorder video").css("width", 180);
|
||||
$("#videorecorder video").css("height", 160);
|
||||
$("#videorecorder video").attr("width", 180);
|
||||
$("#videorecorder video").attr("height", 160);
|
||||
recorder.start();
|
||||
});
|
||||
} catch (e) {
|
||||
console.log(e);
|
||||
error("cannot access camera", true);
|
||||
}
|
||||
}
|
||||
|
||||
function previewfile(content, type, name) {
|
||||
if (!name) name = guessfilename(type);
|
||||
if (type.match('^image/')) {
|
||||
var img = document.createElement("img");
|
||||
img.onload = function() { // resize image to maximum 400px
|
||||
var MAX = 400;
|
||||
var width = img.width;
|
||||
var height = img.height;
|
||||
if (width > MAX) {
|
||||
height *= MAX / width;
|
||||
width = MAX;
|
||||
}
|
||||
if (height > MAX) {
|
||||
width *= MAX / height;
|
||||
height = MAX;
|
||||
}
|
||||
var canvas = document.createElement("canvas");
|
||||
canvas.width = width;
|
||||
canvas.height = height;
|
||||
var ctx = canvas.getContext("2d");
|
||||
ctx.drawImage(img, 0, 0, width, height);
|
||||
img.onload = function() {
|
||||
filecontent.push({name: name, type: type, content: img.src});
|
||||
$("#preview").append(img);
|
||||
success('image is ready to be sent');
|
||||
}
|
||||
img.src = canvas.toDataURL(file.type);
|
||||
img.title = name+"\n"+size(img.src.length);
|
||||
}
|
||||
img.src=content;
|
||||
} else if (type.match('^video/')) {
|
||||
filecontent.push({name: name, type: type, content: content});
|
||||
var video = document.createElement("video");
|
||||
video.setAttribute("controls", "controls");
|
||||
video.setAttribute("loop", "loop");
|
||||
video.setAttribute("src", content);
|
||||
video.setAttribute("title", name+"\n"+size(content.length));
|
||||
$("#preview").append(video);
|
||||
} else {
|
||||
filecontent.push({name: name, type: type, content: content});
|
||||
var img = document.createElement("img");
|
||||
img.src = "images/Document_sans_PICOL-PIctorial-COmmunication-Language.svg";
|
||||
img.title = name+"\n"+size(content.length);
|
||||
if (!name) name = guessfilename(type);
|
||||
if (type.match('^image/')) {
|
||||
var img = document.createElement("img");
|
||||
img.onload = function() { // resize image to maximum 400px
|
||||
var MAX = 400;
|
||||
var width = img.width;
|
||||
var height = img.height;
|
||||
if (width > MAX) {
|
||||
height *= MAX / width;
|
||||
width = MAX;
|
||||
}
|
||||
if (height > MAX) {
|
||||
width *= MAX / height;
|
||||
height = MAX;
|
||||
}
|
||||
var canvas = document.createElement("canvas");
|
||||
canvas.width = width;
|
||||
canvas.height = height;
|
||||
var ctx = canvas.getContext("2d");
|
||||
ctx.drawImage(img, 0, 0, width, height);
|
||||
img.onload = function() {
|
||||
filecontent.push({name: name, type: type, content: img.src});
|
||||
$("#preview").append(img);
|
||||
success('image is ready to be sent');
|
||||
}
|
||||
img.src = canvas.toDataURL(file.type);
|
||||
img.title = name+"\n"+size(img.src.length);
|
||||
}
|
||||
img.src=content;
|
||||
} else if (type.match('^video/')) {
|
||||
filecontent.push({name: name, type: type, content: content});
|
||||
var video = document.createElement("video");
|
||||
video.setAttribute("controls", "controls");
|
||||
video.setAttribute("loop", "loop");
|
||||
video.setAttribute("src", content);
|
||||
video.setAttribute("title", name+"\n"+size(content.length));
|
||||
$("#preview").append(video);
|
||||
} else {
|
||||
filecontent.push({name: name, type: type, content: content});
|
||||
var img = document.createElement("img");
|
||||
img.src = "images/Document_sans_PICOL-PIctorial-COmmunication-Language.svg";
|
||||
img.title = name+"\n"+size(content.length);
|
||||
$("#preview").append(img);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/// Upload Attachment
|
||||
/** Prepares attachment to be sent in a message. If the attachment is
|
||||
an image, it resizes the image to 400px on the lager side.
|
||||
an image, it resizes the image to 400px on the lager side.
|
||||
|
||||
By now, only images are supported.
|
||||
By now, only images are supported.
|
||||
|
||||
Stores data in global variable @ref filecontent. */
|
||||
Stores data in global variable @ref filecontent. */
|
||||
function fileupload(evt) {
|
||||
if (!window.FileReader)
|
||||
return error("your browser does not support file upload", true);
|
||||
for (var i=0, f; f=evt.target.files[i]; ++i) {
|
||||
var file = f;
|
||||
var reader = new FileReader();
|
||||
reader.onload = function(evt) {
|
||||
if (evt.target.error) return error("error reading file", true);
|
||||
if (evt.target.readyState==0) return notice("waiting for data …");
|
||||
if (evt.target.readyState==1) return notice("loading data …");
|
||||
previewfile(evt.target.result, file.type, file.name);
|
||||
}
|
||||
reader.readAsDataURL(file);
|
||||
if (!window.FileReader)
|
||||
return error("your browser does not support file upload", true);
|
||||
for (var i=0, f; f=evt.target.files[i]; ++i) {
|
||||
var file = f;
|
||||
var reader = new FileReader();
|
||||
reader.onload = function(evt) {
|
||||
if (evt.target.error) return error("error reading file", true);
|
||||
if (evt.target.readyState==0) return notice("waiting for data …");
|
||||
if (evt.target.readyState==1) return notice("loading data …");
|
||||
previewfile(evt.target.result, file.type, file.name);
|
||||
}
|
||||
reader.readAsDataURL(file);
|
||||
}
|
||||
}
|
||||
|
||||
/// Sets Receiver's Name
|
||||
/** Called when clicked on a receiver's name. Sets focus to the
|
||||
message text field.
|
||||
message text field.
|
||||
|
||||
@param name The receiver's name. */
|
||||
@param name The receiver's name. */
|
||||
function setreceiver(name) {
|
||||
$("#recv").val(name);
|
||||
checkpartner(name);
|
||||
$("#msg").focus();
|
||||
$("#recv").val(name);
|
||||
checkpartner(name);
|
||||
$("#msg").focus();
|
||||
}
|
||||
|
||||
var userMap = null;
|
||||
function users(userlist) {
|
||||
console.log("rcv-> users");
|
||||
userMap = new Array();
|
||||
$("#allusers").empty();
|
||||
userlist.forEach(function(usr) {
|
||||
userMap[usr.name] = usr.pubkey;
|
||||
$("#allusers").append('<option value="'+htmlenc(usr.name)+'">')
|
||||
$("#allusers").hide();
|
||||
console.log(" user: "+usr.name);
|
||||
});
|
||||
localStorage.userMap = JSON.stringify(userMap);
|
||||
console.log("rcv-> users");
|
||||
userMap = new Array();
|
||||
$("#allusers").empty();
|
||||
userlist.forEach(function(usr) {
|
||||
userMap[usr.name] = usr.pubkey;
|
||||
$("#allusers").append('<option value="'+htmlenc(usr.name)+'">')
|
||||
$("#allusers").hide();
|
||||
console.log(" user: "+usr.name);
|
||||
});
|
||||
localStorage.userMap = JSON.stringify(userMap);
|
||||
}
|
||||
|
||||
function fail(msg) {
|
||||
console.log("rcv-> fail");
|
||||
error(msg);
|
||||
console.log("rcv-> fail");
|
||||
error(msg);
|
||||
}
|
||||
|
||||
function loggedin() {
|
||||
console.log("rcv-> login");
|
||||
success("login successful");
|
||||
chat();
|
||||
console.log("rcv-> login");
|
||||
success("login successful");
|
||||
chat();
|
||||
}
|
||||
|
||||
function user(usr) {
|
||||
if (usr.exists) console.log("rcv-> user("+usr.name+")");
|
||||
else console.log("rcv-> user("+usr.name+"): name is available");
|
||||
if ($("#newuser").is(":visible") && usr.name==$('#user').val()) {
|
||||
// same username as in the create user form
|
||||
$("#createuser").prop("disabled", usr.exists); // todo: check password
|
||||
if (!usr.exists) {
|
||||
username = usr.name;
|
||||
success("user name "+usr.name+" is available");
|
||||
} else {
|
||||
username = null;
|
||||
error("user name "+usr.name+" is in use", true);
|
||||
}
|
||||
if (usr.exists) console.log("rcv-> user("+usr.name+")");
|
||||
else console.log("rcv-> user("+usr.name+"): name is available");
|
||||
if ($("#newuser").is(":visible") && usr.name==uid($('#user').val())) {
|
||||
// same username as in the create user form
|
||||
$("#createuser").prop("disabled", usr.exists); // todo: check password
|
||||
if (!usr.exists) {
|
||||
username = usr.name;
|
||||
success("user name "+usr.name+" is available");
|
||||
} else {
|
||||
username = null;
|
||||
error("user name "+usr.name+" is in use", true);
|
||||
}
|
||||
if ($("#chat").is(":visible") && usr.name==$("#recv").val()) { // same username as in receiver
|
||||
$('#send').prop("disabled", !usr.exists);
|
||||
$("label[for=send] img").css("opacity", usr.exists?"1.0":"0.4");
|
||||
$("label[for=send] img").css("filter", usr.exists?"alpha(opacity=100)":"alpha(opacity=40)");
|
||||
if (usr.exists) success("recipient exists");
|
||||
else error("unknown recipient", true);
|
||||
}
|
||||
if (userMap == null) {
|
||||
if (localStorage.userMap) {
|
||||
userMap = JSON.parse(localStorage.userMap);
|
||||
} else {
|
||||
userMap = new Array();
|
||||
}
|
||||
}
|
||||
if (usr.exists && usr.pubkey && userMap[usr.name] != usr.pubkey) {
|
||||
userMap[usr.name] = usr.pubkey;
|
||||
$("#allusers").append('option value="'+htmlenc(usr.name)+'"')
|
||||
localStorage.userMap = JSON.stringify(userMap);
|
||||
}
|
||||
if ($("#chat").is(":visible") && usr.name==uid($("#recv").val())) { // same username as in receiver
|
||||
$('#send').prop("disabled", !usr.exists);
|
||||
$("label[for=send] img").css("opacity", usr.exists?"1.0":"0.4");
|
||||
$("label[for=send] img").css("filter", usr.exists?"alpha(opacity=100)":"alpha(opacity=40)");
|
||||
if (usr.exists) success("recipient exists");
|
||||
else error("unknown recipient", true);
|
||||
}
|
||||
if (userMap == null) {
|
||||
if (localStorage.userMap) {
|
||||
userMap = JSON.parse(localStorage.userMap);
|
||||
} else {
|
||||
userMap = new Array();
|
||||
}
|
||||
}
|
||||
if (usr.exists && usr.pubkey && userMap[usr.name] != usr.pubkey) {
|
||||
userMap[usr.name] = usr.pubkey;
|
||||
$("#allusers").append('option value="'+htmlenc(usr.name)+'"')
|
||||
localStorage.userMap = JSON.stringify(userMap);
|
||||
}
|
||||
}
|
||||
|
||||
function queryuser(usr) {
|
||||
console.log("query user: "+uid(usr));
|
||||
socket.emit("user", uid(usr));
|
||||
}
|
||||
|
||||
/// Get a user's public key.
|
||||
/** The first time, gets it from the server, later from the cache. */
|
||||
function getPublicKey(user) {
|
||||
var deferredObject = $.Deferred();
|
||||
if (userMap && userMap[user]) deferredObject.resolve(userMap[user]);
|
||||
else deferredObject.reject("unknown user");
|
||||
return deferredObject.promise();
|
||||
var deferredObject = $.Deferred();
|
||||
if (userMap && userMap[user]) deferredObject.resolve(userMap[user]);
|
||||
else deferredObject.reject("unknown user");
|
||||
return deferredObject.promise();
|
||||
}
|
||||
|
||||
/// Received a list of messages from server
|
||||
function messages(msgs) {
|
||||
console.log("rcv-> messages("+msgs.length+")");
|
||||
if (!password || !privateKey())
|
||||
return setTimeout(function() {emit("messages");}, 1000); // try again later
|
||||
status("allmessages");
|
||||
notice("load messages, please wait …");
|
||||
msgs.forEach(function(msg) {message(msg, true);});
|
||||
status("chat");
|
||||
console.log("rcv-> messages("+msgs.length+")");
|
||||
if (!password || !privateKey())
|
||||
return setTimeout(function() {emit("messages");}, 1000); // try again later
|
||||
status("allmessages");
|
||||
notice("load messages, please wait …");
|
||||
msgs.forEach(function(msg) {message(msg, true);});
|
||||
status("chat");
|
||||
}
|
||||
|
||||
/// Received a message from server
|
||||
function message(m, internal) {
|
||||
if (!internal) console.log("rcv-> message("+m.user+")");
|
||||
if (!password || !privateKey()) return;
|
||||
var key=openpgp.key.readArmored(m.pubkey);
|
||||
if (key.err) return error("key of sender unreadable", true);
|
||||
var message = openpgp.message.readArmored(m.msg);
|
||||
var privkey = privateKey().keys[0];
|
||||
if (privkey.decrypt(password)) // prepare own key
|
||||
openpgp.decryptAndVerifyMessage(privkey, key.keys, message)
|
||||
.then(function(msg) { // decryption succeded
|
||||
// prepend message to list of messages
|
||||
var message = JSON.parse(msg.text);
|
||||
$("#msgs") // todo: check msg.signatures[0].valid
|
||||
.prepend('<div id="id'+(m.id)+'" class="msg '+
|
||||
(m.user==userid()?"me":"other")+
|
||||
'"><div class="header">'+
|
||||
'<span class="date">'+
|
||||
(new Date(m.time)).toLocaleString()+
|
||||
'</span><span class="sender">'+
|
||||
'<a href="javascript:void(0)" '+
|
||||
'onclick="setreceiver(this.innerHTML)">'+
|
||||
htmlenc(m.user)+
|
||||
'</a>'+(message.receiver?' → <a href="javascript:void(0)" '+
|
||||
'onclick="setreceiver(this.innerHTML)">'
|
||||
+htmlenc(message.receiver)+'</a>':"")+
|
||||
'</span></div>'+
|
||||
'<div class="text">'+
|
||||
htmlenc(message.text)+
|
||||
'</div></div><div class="clear"/>');
|
||||
// show attachments
|
||||
attachments(message.files, '#id'+m.id+' .text', m.user, new Date(m.time));
|
||||
// calculate and show emoticons
|
||||
$('#id'+m.id).emoticonize();
|
||||
if (!internal) beep(m.user);
|
||||
})
|
||||
.catch(function(e) {
|
||||
// not for me
|
||||
success();
|
||||
});
|
||||
if (!internal) console.log("rcv-> message("+m.user+")");
|
||||
if (!password || !privateKey()) return;
|
||||
var key=openpgp.key.readArmored(m.pubkey);
|
||||
if (key.err) return error("key of sender unreadable", true);
|
||||
var message = openpgp.message.readArmored(m.msg);
|
||||
var privkey = privateKey().keys[0];
|
||||
if (privkey.decrypt(password)) // prepare own key
|
||||
openpgp.decrypt({
|
||||
privateKeys: privkey,
|
||||
publicKeys: key.keys,
|
||||
message: message
|
||||
}).then(function(msg) { // decryption succeded
|
||||
// prepend message to list of messages
|
||||
var message = JSON.parse(msg.text);
|
||||
$("#msgs") // todo: check msg.signatures[0].valid
|
||||
.prepend('<div id="id'+(m.id)+'" class="msg '+
|
||||
(m.user==userid()?"me":"other")+
|
||||
'"><div class="header">'+
|
||||
'<span class="date">'+
|
||||
(new Date(m.time)).toLocaleString()+
|
||||
'</span><span class="sender">'+
|
||||
'<a href="javascript:void(0)" '+
|
||||
'onclick="setreceiver(this.innerHTML)">'+
|
||||
htmlenc(m.user)+
|
||||
'</a>'+(message.receiver?' → <a href="javascript:void(0)" '+
|
||||
'onclick="setreceiver(this.innerHTML)">'
|
||||
+htmlenc(message.receiver)+'</a>':"")+
|
||||
'</span></div>'+
|
||||
'<div class="text">'+
|
||||
htmlenc(message.text)+
|
||||
'</div></div><div class="clear"/>');
|
||||
// show attachments
|
||||
attachments(message.files, '#id'+m.id+' .text', m.user, new Date(m.time));
|
||||
// calculate and show emoticons
|
||||
$('#id'+m.id).emoticonize();
|
||||
if (!internal) beep(m.user);
|
||||
}).catch(function(e) {
|
||||
// not for me
|
||||
success();
|
||||
});
|
||||
}
|
||||
|
||||
/// Send Message To Server
|
||||
/** User wants to send a message. Encrypt message with own private and
|
||||
the receiver's public key, then send it to the server. */
|
||||
the receiver's public key, then send it to the server. */
|
||||
function sendmessage(recv, txt) {
|
||||
notice("1/3 preparing message …");
|
||||
$("#message").prop(":disabled", true);
|
||||
getPublicKey(recv) // get receiver's public key
|
||||
.done(function(pk) {
|
||||
var key=openpgp.key.readArmored(pk);
|
||||
if (!pk||key.err) {
|
||||
$("#message").prop(":disabled", false);
|
||||
error("receiver's key not found", true);
|
||||
return;
|
||||
}
|
||||
var privkey = privateKey().keys[0];
|
||||
privkey.decrypt(password); // get own private key ready
|
||||
var message = JSON.stringify({receiver: recv, text: txt, files: filecontent});
|
||||
notice("2/3 encrypting message …");
|
||||
openpgp.signAndEncryptMessage(key.keys.concat(publicKey().keys),
|
||||
privkey,
|
||||
message)
|
||||
.then(function(msg) { // message is encrypted
|
||||
notice("3/3 sending message …");
|
||||
emit("message", {user: userid(), content: msg});
|
||||
clearmessage();
|
||||
})
|
||||
.catch(function(e) {
|
||||
$("#message").prop(":disabled", false);
|
||||
error("encryption of message failed", true);
|
||||
});
|
||||
})
|
||||
.fail(function(e) {
|
||||
$("#message").prop(":disabled", false);
|
||||
error("user not found", true);
|
||||
});
|
||||
notice("1/3 preparing message …");
|
||||
$("#message").prop(":disabled", true);
|
||||
getPublicKey(recv) // get receiver's public key
|
||||
.done(function(pk) {
|
||||
var key=openpgp.key.readArmored(pk);
|
||||
if (!pk||key.err) {
|
||||
$("#message").prop(":disabled", false);
|
||||
error("receiver's key not found", true);
|
||||
return;
|
||||
}
|
||||
var privkey = privateKey().keys[0];
|
||||
privkey.decrypt(password); // get own private key ready
|
||||
var message = JSON.stringify({receiver: recv, text: txt, files: filecontent});
|
||||
notice("2/3 encrypting message …");
|
||||
openpgp.encrypt({publicKeys: key.keys.concat(publicKey().keys),
|
||||
privateKeys: privkey,
|
||||
data: message,
|
||||
armor: false})
|
||||
.then(function(msg) { // message is encrypted
|
||||
notice("3/3 sending message …");
|
||||
emit("message", {user: userid(), content: msg});
|
||||
clearmessage();
|
||||
})
|
||||
.catch(function(e) {
|
||||
$("#message").prop(":disabled", false);
|
||||
error("encryption of message failed", true);
|
||||
});
|
||||
})
|
||||
.fail(function(e) {
|
||||
$("#message").prop(":disabled", false);
|
||||
error("user not found", true);
|
||||
});
|
||||
}
|
||||
|
||||
/// Check And Set Password
|
||||
/** Check if given password matches to decrypt the private key. If so,
|
||||
store it in global temporary variable @ref password and start the
|
||||
chat. The password matches, when the private key can be decrypted.
|
||||
store it in global temporary variable @ref password and start the
|
||||
chat. The password matches, when the private key can be decrypted.
|
||||
|
||||
@param pwd The password to check. */
|
||||
@param pwd The password to check. */
|
||||
function setpw(pwd) {
|
||||
if (privateKey().keys[0].decrypt(pwd)) {
|
||||
success("password matches");
|
||||
$("#removeKey").hide();
|
||||
password = pwd;
|
||||
chat();
|
||||
} else {
|
||||
notice("password does not match");
|
||||
}
|
||||
if (privateKey().keys[0].decrypt(pwd)) {
|
||||
success("password matches");
|
||||
$("#removeKey").hide();
|
||||
password = pwd;
|
||||
chat();
|
||||
} else {
|
||||
notice("password does not match");
|
||||
}
|
||||
}
|
||||
|
||||
/// Create Password Entry Field
|
||||
/** Asks user for password. When user starts to enter it, it is
|
||||
permanentely checked in setpw(). As soon as the password matches,
|
||||
setpw() continues automatically. No submit is required by the
|
||||
user. */
|
||||
permanentely checked in setpw(). As soon as the password matches,
|
||||
setpw() continues automatically. No submit is required by the
|
||||
user. */
|
||||
function getpwd() {
|
||||
if (password) return;
|
||||
$("#removeKey").show();
|
||||
status("getpwd");
|
||||
if (password) return;
|
||||
$("#removeKey").show();
|
||||
status("getpwd");
|
||||
}
|
||||
|
||||
function deleteUser() {
|
||||
var uid = userid();
|
||||
localStorage.removeItem(pubkey);
|
||||
localStorage.removeItem(privkey);
|
||||
error("user "+uid+" permanentely lost");
|
||||
var uid = userid();
|
||||
localStorage.removeItem(pubkey);
|
||||
localStorage.removeItem(privkey);
|
||||
error("user "+uid+" permanentely lost");
|
||||
}
|
||||
|
||||
function removeKey() {
|
||||
togglemenu();
|
||||
$("#removeKey").hide();
|
||||
status('forgotpassword');
|
||||
togglemenu();
|
||||
$("#removeKey").hide();
|
||||
status('forgotpassword');
|
||||
}
|
||||
|
||||
/// Main Chat Window
|
||||
/** Gets chat widgets from server and displays them. Starts timer for
|
||||
get() which polls for new messages. */
|
||||
get() which polls for new messages. */
|
||||
var firsttime = true;
|
||||
function chat() {
|
||||
if (!password) return getpwd();
|
||||
status("chat");
|
||||
if (firsttime && $('#msgs').is(':empty')) {
|
||||
firsttime = false;
|
||||
notice("getting previous messages, please wait …");
|
||||
emit("messages");
|
||||
}
|
||||
if (!password) return getpwd();
|
||||
status("chat");
|
||||
if (firsttime && $('#msgs').is(':empty')) {
|
||||
firsttime = false;
|
||||
notice("getting previous messages, please wait …");
|
||||
emit("messages");
|
||||
}
|
||||
}
|
||||
|
||||
/// Login User
|
||||
/** This is not really a login, it is just some kind of validation.
|
||||
The server does not care if a user is online or not, it is only
|
||||
interesting to the client to make sure, everything is fine. User
|
||||
is logged in the following way: User name and public key are sent
|
||||
to the server. If the user name exists on the server and the
|
||||
public key is the same, the user is considered logged in, his
|
||||
credentials seem to be valid. If user does not yet exits on
|
||||
server, it is created now. If user exists, but public key is
|
||||
different, then this is a complete failure, something went
|
||||
terribly wrong. */
|
||||
The server does not care if a user is online or not, it is only
|
||||
interesting to the client to make sure, everything is fine. User
|
||||
is logged in the following way: User name and public key are sent
|
||||
to the server. If the user name exists on the server and the
|
||||
public key is the same, the user is considered logged in, his
|
||||
credentials seem to be valid. If user does not yet exits on
|
||||
server, it is created now. If user exists, but public key is
|
||||
different, then this is a complete failure, something went
|
||||
terribly wrong. */
|
||||
function login() {
|
||||
$("#username").html(userid()+"@"+window.location.hostname);
|
||||
emit("login", {name: userid(),
|
||||
pubkey: localStorage.pubkey});
|
||||
success("login sent to server");
|
||||
$("#username").html(userid()+"@"+hostname);
|
||||
emit("login", {name: userid(),
|
||||
pubkey: localStorage.pubkey});
|
||||
success("login sent to server");
|
||||
}
|
||||
|
||||
/// Get And Display Form To Create New User
|
||||
/** Shows user creation form. On submit, a private key is generated in
|
||||
createkeypair(), then login() creates the user. */
|
||||
createkeypair(), then login() creates the user. */
|
||||
function newuser() {
|
||||
status("newuser");
|
||||
status("newuser");
|
||||
}
|
||||
|
||||
/// Check if local storage is available
|
||||
function checkLocalStorage() {
|
||||
var test = 'test';
|
||||
try {
|
||||
localStorage.setItem(test, test);
|
||||
localStorage.removeItem(test);
|
||||
return true;
|
||||
} catch(e) {
|
||||
status("nolocalstorage");
|
||||
error("local storage not available");
|
||||
}
|
||||
return false;
|
||||
var test = 'test';
|
||||
try {
|
||||
localStorage.setItem(test, test);
|
||||
localStorage.removeItem(test);
|
||||
return true;
|
||||
} catch(e) {
|
||||
status("nolocalstorage");
|
||||
error("local storage not available");
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
/// Initial Function: Startup
|
||||
/** Decide whether to login or to create a new user */
|
||||
function start() {
|
||||
$("#menu").hide();
|
||||
//status("startup");
|
||||
if (checkLocalStorage())
|
||||
try {
|
||||
if (!userid()) {
|
||||
newuser();
|
||||
} else {
|
||||
login();
|
||||
}
|
||||
} catch (m) {
|
||||
console.log(m.stack);
|
||||
error(m);
|
||||
}
|
||||
$("#menu").hide();
|
||||
//status("startup");
|
||||
if (checkLocalStorage())
|
||||
try {
|
||||
if (!userid()) {
|
||||
newuser();
|
||||
} else {
|
||||
login();
|
||||
}
|
||||
} catch (m) {
|
||||
console.log(m.stack);
|
||||
error(m);
|
||||
}
|
||||
}
|
||||
|
||||
function init() {
|
||||
/// On Load, Call @ref start
|
||||
$(window.onbeforeunload = function() {
|
||||
return "Are you sure you want to navigate away?";
|
||||
});
|
||||
/// Allow Running in Background on Android
|
||||
document.addEventListener('deviceready', function () {
|
||||
if (cordova && cordova.plugins.backgroundMode) {
|
||||
cordova.plugins.backgroundMode.enable();
|
||||
}
|
||||
}, false);
|
||||
socket.io.on("connect", connected);
|
||||
socket.io.on("reconnect", connected);
|
||||
socket.io.on("disconnect", disconnected);
|
||||
socket.io.on("error", disconnected);
|
||||
socket.on("login", loggedin);
|
||||
socket.on("fail", fail);
|
||||
socket.on("user", user);
|
||||
socket.on("users", users);
|
||||
socket.on("message", message);
|
||||
socket.on("messages", messages);
|
||||
connectionstatus();
|
||||
if (openpgp.initWorker("javascripts/openpgp.worker.js"))
|
||||
console.log("asynchronous openpgp enabled");
|
||||
else
|
||||
console.log("asynchronous openpgp failed");
|
||||
emit('users');
|
||||
start();
|
||||
/// On Load, Call @ref start
|
||||
$(window.onbeforeunload = function() {
|
||||
return "Are you sure you want to navigate away?";
|
||||
});
|
||||
/// Allow Running in Background on Android
|
||||
document.addEventListener('deviceready', function () {
|
||||
if (cordova && cordova.plugins.backgroundMode) {
|
||||
cordova.plugins.backgroundMode.enable();
|
||||
}
|
||||
}, false);
|
||||
socket.io.on("connect", connected);
|
||||
socket.io.on("reconnect", connected);
|
||||
socket.io.on("disconnect", disconnected);
|
||||
socket.io.on("error", disconnected);
|
||||
socket.on("login", loggedin);
|
||||
socket.on("fail", fail);
|
||||
socket.on("user", user);
|
||||
socket.on("users", users);
|
||||
socket.on("message", message);
|
||||
socket.on("messages", messages);
|
||||
connectionstatus();
|
||||
if (openpgp.initWorker("openpgp.worker.min.js"))
|
||||
console.log("asynchronous openpgp enabled");
|
||||
else
|
||||
console.log("asynchronous openpgp failed");
|
||||
emit('users');
|
||||
start();
|
||||
}
|
||||
|
||||
/// Start Main Loop
|
||||
|
||||
Reference in New Issue
Block a user