mirror of
https://github.com/twisterarmy/twister-html.git
synced 2025-01-27 15:14:40 +00:00
389 lines
17 KiB
JavaScript
389 lines
17 KiB
JavaScript
// twister_formatpost.js
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// 2013 Miguel Freitas
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//
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// Format JSON posts and DMs to HTML.
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// format "userpost" to html element
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// kind = "original"/"ancestor"/"descendant"
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function postToElem( post, kind, promoted ) {
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/*
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"userpost" :
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{
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"n" : username,
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"k" : seq number,
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"t" : "post" / "dm" / "rt"
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"msg" : message (post/rt)
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"time" : unix utc
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"height" : best height at user
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"dm" : encrypted message (dm) -opt
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"rt" : original userpost - opt
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"sig_rt" : sig of rt - opt
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"reply" : - opt
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{
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"n" : reference username
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"k" : reference k
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}
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}
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"sig_userpost" : signature by userpost.n
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*/
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// Obtain data from userpost
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var postJson = $.toJSON(post);
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var userpost = post["userpost"];
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if( "rt" in userpost ) {
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var rt = userpost["rt"];
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var n = rt["n"];
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var k = rt["k"];
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var t = rt["time"];
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var msg = rt["msg"];
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var content_to_rt = $.toJSON(rt);
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var content_to_sigrt = userpost["sig_rt"];
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var retweeted_by = userpost["n"];
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} else {
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var n = userpost["n"];
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var k = userpost["k"];
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var t = userpost["time"];
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var msg = userpost["msg"]
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var content_to_rt = $.toJSON(userpost);
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var content_to_sigrt = post["sig_userpost"];
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var retweeted_by = undefined;
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}
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// Now create the html elements
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var elem = $.MAL.getPostTemplate().clone(true);
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elem.removeAttr('id')
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.addClass(kind)
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.attr('data-time', t)
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;
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if( post['isNew'] )
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elem.addClass('new');
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var postData = elem.find('.post-data');
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postData.addClass(kind)
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.attr('data-userpost', postJson)
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.attr('data-content_to_rt', content_to_rt)
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.attr('data-content_to_sigrt', content_to_sigrt)
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.attr('data-screen-name', n)
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.attr('data-id', k)
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.attr('data-lastk', userpost["lastk"])
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.attr('data-text', msg)
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;
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if( 'reply' in userpost ) {
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postData.attr('data-replied-to-screen-name', userpost.reply.n)
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.attr('data-replied-to-id', userpost.reply.k)
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.find('.post-expand').text(polyglot.t('Show conversation'))
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;
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} else if ( 'rt' in userpost && 'reply' in userpost.rt ) {
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postData.attr('data-replied-to-screen-name', userpost.rt.reply.n)
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.attr('data-replied-to-id', userpost.rt.reply.k)
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.find('.post-expand').text(polyglot.t('Show conversation'))
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;
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}
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var postInfoName = elem.find('.post-info-name');
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postInfoName.text(n).attr('href', $.MAL.userUrl(n));
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getFullname( n, postInfoName );
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//elem.find('.post-info-tag').text("@" + n);
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setPostInfoSent(n,k,elem.find('.post-info-sent'));
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getAvatar( n, elem.find('.avatar') );
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elem.find('.post-info-time').text(timeGmtToText(t)).attr('title', timeSincePost(t));
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var mentions = [];
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elem.find('.post-text').html(htmlFormatMsg(msg, mentions));
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postData.attr('data-text-mentions', mentions);
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var replyTo = '';
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if( n !== defaultScreenName )
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replyTo += '@' + n + ' ';
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for (var i = 0; i < mentions.length; i++) {
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if (mentions[i] !== n && mentions[i] !== defaultScreenName)
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replyTo += '@' + mentions[i] + ' ';
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}
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var postTextArea = elem.find('.post-area-new textarea');
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postTextArea.attr('data-reply-to', replyTo);
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if (!defaultScreenName)
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postTextArea.attr('placeholder', polyglot.t('You have to log in to post replies.'));
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else
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postTextArea.attr('placeholder', polyglot.t('reply_to', { fullname: replyTo })+ '...');
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postData.attr('data-reply-to', replyTo);
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if( retweeted_by != undefined ) {
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elem.find('.post-context').show();
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elem.find('.post-retransmited-by')
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.attr('href', $.MAL.userUrl(retweeted_by))
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.text('@' + retweeted_by)
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;
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}
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if (typeof(promoted) !== 'undefined' && promoted) {
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elem.find('.post-propagate').remove();
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} else {
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if ($.Options.filterLang.val !== 'disable' && $.Options.filterLangSimulate.val) {
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// FIXME it's must be stuff from template actually
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if (typeof(post['langFilter']) !== 'undefined') {
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if (typeof(post['langFilter']['prob'][0]) !== 'undefined')
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var mlm = ' // '+polyglot.t('Most possible language: this', {'this': '<em>'+post['langFilter']['prob'][0].toString()+'</em>'});
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else
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var mlm = '';
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elem.append('<div class="langFilterSimData">'+polyglot.t('This post is treated by language filter', {'treated': '<em>'+((post['langFilter']['pass']) ? polyglot.t('passed') : polyglot.t('blocked'))+'</em>'})+'</div>')
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.append('<div class="langFilterSimData">'+polyglot.t('Reason: this', {'this': '<em>'+post['langFilter']['reason']+'</em>'})+mlm+'</div>')
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;
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} else {
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elem.append('<div class="langFilterSimData">'+polyglot.t('This post is treated by language filter', {'treated': '<em>'+polyglot.t('not analyzed')+'</em>'})+'</div>');
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}
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}
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}
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return elem;
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}
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function setPostInfoSent(n, k, item) {
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if( n === defaultScreenName && k >= 0 ) {
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getPostMaxAvailability(n,k,
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function(args,count) {
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if( count >= 3 ) { // assume 3 peers (me + 2) is enough for "sent"
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args.item.text("\u2713"); // check mark
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} else {
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args.item.text("\u231B"); // hour glass
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setTimeout(setPostInfoSent,2000,n,k,item);
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}
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}, {n:n,k:k,item:item});
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}
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}
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// format dmdata (returned by getdirectmsgs) to display in "snippet" per user list
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function dmDataToSnippetItem(dmData, remoteUser) {
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var dmItem = $("#dm-snippet-template").clone(true);
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dmItem.removeAttr('id');
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dmItem.attr("data-dm-screen-name",remoteUser);
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dmItem.attr("data-last_id", dmData.id);
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dmItem.attr("data-time", dmData.time);
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dmItem.find(".post-info-tag").text("@" + remoteUser);
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dmItem.find("a.post-info-name").attr("href", $.MAL.userUrl(remoteUser));
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dmItem.find("a.dm-chat-link").attr("href", $.MAL.dmchatUrl(remoteUser));
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getAvatar( remoteUser, dmItem.find(".post-photo").find("img") );
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if( remoteUser.length && remoteUser[0] === '*' )
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getGroupChatName( remoteUser, dmItem.find("a.post-info-name") );
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else
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getFullname( remoteUser, dmItem.find("a.post-info-name") );
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dmItem.find(".post-text").html(escapeHtmlEntities(dmData.text));
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dmItem.find(".post-info-time").text(timeGmtToText(dmData.time)).attr("title",timeSincePost(dmData.time));
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return dmItem;
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}
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// format dmdata (returned by getdirectmsgs) to display in conversation thread
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function dmDataToConversationItem(dmData, localUser, remoteUser) {
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var from = (dmData.from && dmData.from.length && dmData.from.charCodeAt(0))
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? dmData.from
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: (dmData.fromMe ? localUser : remoteUser);
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var classDm = dmData.fromMe ? "sent" : "received";
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var dmItem = $("#dm-chat-template").clone(true);
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dmItem.removeAttr('id');
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dmItem.addClass(classDm);
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getAvatar(from, dmItem.find(".post-photo").find("img") );
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dmItem.find(".post-info-time").text(timeGmtToText(dmData.time)).attr("title",timeSincePost(dmData.time));
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setPostInfoSent(from,dmData.k,dmItem.find('.post-info-sent'));
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var mentions = [];
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dmItem.find('.post-text').html(htmlFormatMsg(dmData.text, mentions));
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return dmItem;
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}
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// convert message text to html, featuring @users and links formating.
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function htmlFormatMsg(msg, mentions) {
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function getStrStart(str, i, stopChars) {
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for (; i > -1; i--) {
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if (stopChars.indexOf(str[i]) > -1)
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return i + 1;
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}
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return 0;
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}
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function getStrEnd(str, i, stopChars) {
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for (; i < str.length; i++) {
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if (stopChars.indexOf(str[i]) > -1)
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return i - 1;
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}
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return str.length;
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}
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function extractStr(str, startPoint, endPoint, stopChars) {
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for (var i = endPoint; i > startPoint - 1; i--) {
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if (stopChars.indexOf(str[i]) === -1) {
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endPoint = i;
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break;
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}
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}
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return str.slice(startPoint, endPoint + 1);
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}
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function htmlSplitCounter(str) {
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html.push('<span class="splited-post-counter">' + str + '</span>');
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return '>' + (html.length - 1).toString() + '<';
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}
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var mentionsChars = 'abcdefghijklmnopqrstuvwxyz_0123456789';
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var stopCharsTrailing = '/\\.,:;?!*%\'"[](){}^|«»…\u201C\u201D\u2026\u2014\u4E00\u3002\uFF0C\uFF1A\uFF1F\uFF01\u3010\u3011';
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var stopCharsTrailingUrl = stopCharsTrailing.slice(1);
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var whiteSpaces = ' \f\n\r\t\v\u00A0\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u2028\u2029\u202F\u205F\u3000';
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var stopCharsRight = '>' + whiteSpaces;
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var stopCharsLeft = '<' + whiteSpaces;
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var j, str, strEncoded;
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var html = [];
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msg = escapeHtmlEntities(msg);
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for (var i = 0; i < msg.length - 7; i++) {
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if (msg.slice(i, i + 4).toLowerCase() === 'http') {
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if (msg.slice(i + 4, i + 7) === '://' && stopCharsRight.indexOf(msg[i + 7]) === -1) {
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str = extractStr(msg, i, getStrEnd(msg, i + 7, stopCharsRight), stopCharsTrailingUrl);
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// FIXME we're trying to not interact with DOM, coz' we want to run really fast [to hell of RegExps]
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// FIXME actually we should avoid it by dropping a template idea and construct html right here
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html.push($('#external-page-link-template')[0].outerHTML
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.replace(/\bid\s*=\s*"[^]*?"+/ig, '') // $().removeAttr('id')
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//.replace(/\bhref\s*=\s*"[^]*?"+/ig, '') // $().removeAttr('href')
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.replace(/<a\s+/ig, '<a href="' + proxyURL(str) + '" ') // $().closest('a').attr('href', proxyURL(url))
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.replace(/(<a\s+[^]*?>)[^]*?(<\/a>)/ig, '$1' + str + '$2') // $().closest('a').text(url)
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);
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strEncoded = '>' + (html.length - 1).toString() + '<';
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msg = msg.slice(0, i) + strEncoded + msg.slice(i + str.length);
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i = i + strEncoded.length - 1;
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} else if (msg.slice(i + 4, i + 8).toLowerCase() === 's://' && stopCharsRight.indexOf(msg[i + 8]) === -1) {
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str = extractStr(msg, i, getStrEnd(msg, i + 8, stopCharsRight), stopCharsTrailingUrl);
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html.push($('#external-page-link-template')[0].outerHTML
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.replace(/\bid\s*=\s*"[^]*?"+/ig, '') // $().removeAttr('id')
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//.replace(/\bhref\s*=\s*"[^]*?"+/ig, '') // $().removeAttr('href')
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.replace(/<a\s+/ig, '<a href="' + proxyURL(str) + '" ') // $().closest('a').attr('href', proxyURL(url))
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.replace(/(<a\s+[^]*?>)[^]*?(<\/a>)/ig, '$1' + str + '$2') // $().closest('a').text(url)
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);
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strEncoded = '>' + (html.length - 1).toString() + '<';
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msg = msg.slice(0, i) + strEncoded + msg.slice(i + str.length);
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i = i + strEncoded.length - 1;
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}
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}
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}
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for (var i = 1; i < msg.length - 1; i++) {
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if (msg[i] === '@' && stopCharsLeft.indexOf(msg[i - 1]) === -1
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&& stopCharsTrailing.indexOf(msg[i - 1]) === -1 && stopCharsRight.indexOf(msg[i + 1]) === -1) {
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j = getStrStart(msg, i, stopCharsLeft);
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str = extractStr(msg, j, getStrEnd(msg, i + 1, stopCharsRight), stopCharsTrailing);
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html.push($('#external-page-link-template')[0].outerHTML
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.replace(/\bid\s*=\s*"[^]*?"+/ig, '') // $().removeAttr('id')
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//.replace(/\bhref\s*=\s*"[^]*?"+/ig, '') // $().removeAttr('href')
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.replace(/<a\s+/ig, '<a href="mailto:' + str.toLowerCase() + '" ') // $().closest('a').attr('href', 'mailto:'+url)
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.replace(/(<a\s+[^]*?>)[^]*?(<\/a>)/ig, '$1' + str + '$2') // $().closest('a').text(url)
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);
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strEncoded = '>' + (html.length - 1).toString() + '<';
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msg = msg.slice(0, j) + strEncoded + msg.slice(j + str.length);
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i = j + strEncoded.length - 1;
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}
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}
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for (var i = 0; i < msg.length - 1; i++) {
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if (msg[i] === '@' && mentionsChars.indexOf(msg[i + 1].toLowerCase()) > -1) {
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for (j = i + 2; j < msg.length; j++) {
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if (mentionsChars.indexOf(msg[j].toLowerCase()) === -1)
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break;
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}
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str = msg.slice(i + 1, j).toLowerCase();
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mentions.push(str); // FIXME
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html.push($('#msg-user-link-template')[0].outerHTML
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.replace(/\bid\s*=\s*"[^]*?"+/ig, '') // $().removeAttr('id')
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//.replace(/\bhref\s*=\s*"[^]*?"+/ig, '') // $().removeAttr('href')
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.replace(/<a\s+(?=[^>]*?\bclass\s*=\s*"(?=[^"]*?\bopen-profile-modal\b))/ig, '<a href="' + $.MAL.userUrl(str) + '" ') // $().closest('a.open-profile-modal').attr('href', $.MAL.userUrl(username))
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.replace(/(<a\s+(?=[^>]*?\bclass\s*=\s*"(?=[^"]*?\bopen-profile-modal\b))[^]*?>)[^]*?(<\/a>)/ig, '$1@' + str + '$2') // $().closest('a.open-profile-modal').text('@'+username)
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);
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strEncoded = '>' + (html.length - 1).toString() + '<';
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msg = msg.slice(0, i) + strEncoded + msg.slice(i + str.length + 1);
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i = i + strEncoded.length - 1;
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}
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}
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for (var i = 0; i < msg.length - 1; i++) {
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j = i + 1;
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if (msg[i] === '#' && msg[j] !== '#' && stopCharsRight.indexOf(msg[j]) === -1) {
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str = extractStr(msg, j, getStrEnd(msg, j, '/' + stopCharsRight), stopCharsTrailing);
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html.push($('#hashtag-link-template')[0].outerHTML
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.replace(/\bid\s*=\s*"[^]*?"+/ig, '') // $().removeAttr('id')
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//.replace(/\bhref\s*=\s*"[^]*?"+/ig, '') // $().removeAttr('href')
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.replace(/<a\s+(?=[^>]*?\bclass\s*=\s*"(?=[^"]*?\bopen-hashtag-modal\b))/ig, '<a href="' + $.MAL.hashtagUrl(encodeURIComponent(str.toLowerCase())) + '" ') // $().closest('a.open-profile-modal').attr('href', $.MAL.hashtagUrl(hashtag))
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.replace(/(<a\s+(?=[^>]*?\bclass\s*=\s*"(?=[^"]*?\bopen-hashtag-modal\b))[^]*?>)[^]*?(<\/a>)/ig, '$1#' + str.replace(/&/g, '&') + '$2') // $().closest('a.open-profile-modal').text('#'+hashtag)
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);
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strEncoded = '>' + (html.length - 1).toString() + '<';
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msg = msg.slice(0, i) + strEncoded + msg.slice(i + str.length + 1);
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i = i + strEncoded.length - 1;
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}
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}
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msg = msg
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.replace(/\(\d{1,2}\/\d{1,2}\)$/, htmlSplitCounter)
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.replace(/&(?!lt;|gt;|quot;|apos;)/g, '&') // FIXME in many cases there is no need to escape ampersand in HTML 5
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;
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for (var i = 0; i < msg.length - 2; i++) {
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if (msg[i] === '>') {
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j = getStrEnd(msg, i + 2, '<');
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str = html[parseInt(msg.slice(i + 1, j + 1))];
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msg = msg.slice(0, i) + str + msg.slice(j + 2);
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i = i + str.length - 1;
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}
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}
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if ($.Options.displayLineFeeds.val === 'enable')
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msg = msg.replace(/\n/g, '<br />');
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// TODO: add options for emotions; msg = $.emotions(msg);
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// TODO: add at least basic markdown (optional) with syntax like this:
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// *text* -> bold text
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// ~text~ -> italic text
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// _text_ -> underlined text
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// -text- -> strikethrough text
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return msg;
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}
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function proxyURL(url) {
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var proxyOpt = $.Options.useProxy.val;
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if (proxyOpt !== 'disable' && !$.Options.useProxyForImgOnly.val) {
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// proxy alternatives may be added to options page FIXME currently not; and we need more fresh proxies
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if (proxyOpt === 'ssl-proxy-my-addr') {
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url = 'https://ssl-proxy.my-addr.org/myaddrproxy.php/' +
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url.substring(0, url.indexOf(':')) + url.substr(url.indexOf('/') + 1);
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} else if (proxyOpt === 'anonymouse')
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url = 'http://anonymouse.org/cgi-bin/anon-www.cgi/' + url;
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}
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return url;
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}
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function escapeHtmlEntities(str) {
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return str
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//.replace(/&/g, '&') we do it not here
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.replace(/</g, '<')
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.replace(/>/g, '>')
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.replace(/"/g, '"')
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.replace(/'/g, ''');
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}
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function reverseHtmlEntities(str) {
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return str
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.replace(/</g, '<')
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.replace(/>/g, '>')
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.replace(/"/g, '"')
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.replace(/'/g, "'")
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.replace(/&/g, '&');
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}
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