kopia lustrzana https://github.com/miklobit/TiddlyWiki5
91 wiersze
2.4 KiB
JavaScript
91 wiersze
2.4 KiB
JavaScript
/*\
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title: $:/plugins/tiddlywiki/pluginlibrary/libraryserver.js
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type: application/javascript
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module-type: library
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A simple HTTP-over-window.postMessage implementation of a standard TiddlyWeb-compatible server. It uses real HTTP to load the individual tiddler JSON files.
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\*/
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(function(){
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/*jslint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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// Listen for window messages
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window.addEventListener("message",function listener(event){
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console.log("plugin library: Received message from",event.origin);
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console.log("plugin library: Message content",event.data);
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switch(event.data.verb) {
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case "GET":
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if(event.data.url === "recipes/library/tiddlers.json") {
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// Route for recipes/library/tiddlers.json
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event.source.postMessage({
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verb: "GET-RESPONSE",
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status: "200",
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cookies: event.data.cookies,
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url: event.data.url,
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type: "application/json",
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body: JSON.stringify(assetList,null,4)
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},"*");
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} else if(event.data.url.indexOf("recipes/library/tiddlers/") === 0) {
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var url = "recipes/library/tiddlers/" + encodeURIComponent(removePrefix(event.data.url,"recipes/library/tiddlers/"));
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// Route for recipes/library/tiddlers/<uri-encoded-tiddler-title>.json
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httpGet(url,function(err,responseText) {
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if(err) {
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event.source.postMessage({
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verb: "GET-RESPONSE",
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status: "404",
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cookies: event.data.cookies,
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url: event.data.url,
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type: "text/plain",
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body: "Not found"
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},"*");
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} else {
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event.source.postMessage({
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verb: "GET-RESPONSE",
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status: "200",
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cookies: event.data.cookies,
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url: event.data.url,
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type: "application/json",
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body: responseText
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},"*");
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}
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});
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} else {
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event.source.postMessage({
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verb: "GET-RESPONSE",
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status: "404",
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cookies: event.data.cookies,
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url: event.data.url,
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type: "text/plain",
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body: "Not found"
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},"*");
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}
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break;
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}
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},false);
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// Helper to remove string prefixes
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function removePrefix(string,prefix) {
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if(string.indexOf(prefix) === 0) {
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return string.substr(prefix.length);
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} else {
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return string;
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}
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}
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// Helper for HTTP GET
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function httpGet(url,callback) {
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var http = new XMLHttpRequest();
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http.open("GET",url,true);
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http.onreadystatechange = function() {
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if(http.readyState == 4 && http.status == 200) {
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callback(null,http.responseText);
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}
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};
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http.send();
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}
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})();
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