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158 lines
4.4 KiB
158 lines
4.4 KiB
/*
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* Copyright 2013, Martin Zimmermann <info@posativ.org>. All rights reserved.
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* License: BSD Style, 2 clauses. See isso/__init__.py.
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*/
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define(["q"], function(Q) {
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"use strict";
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Q.stopUnhandledRejectionTracking();
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Q.longStackSupport = true;
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var endpoint = null, remote_addr = null,
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salt = "Eech7co8Ohloopo9Ol6baimi",
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location = window.location.pathname;
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var rules = {
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"/": [200, 404],
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"/new": [201, 202],
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"/id/\\d+": [200, 403, 404],
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"/id/\\d+/(like/dislike)": [200],
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"/count": [200]
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};
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// guess Isso API location
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var js = document.getElementsByTagName("script");
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for (var i = 0; i < js.length; i++) {
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if (js[i].src.match("/js/components/requirejs/require\\.js$")) {
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endpoint = js[i].src.substring(0, js[i].src.length - 35);
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break;
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} else if (js[i].src.match("/js/(embed|count)\\.(min|dev)\\.js$")) {
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endpoint = js[i].src.substring(0, js[i].src.length - 16);
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break;
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}
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}
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if (! endpoint) {
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throw "no Isso API location found";
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}
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var curl = function(method, url, data) {
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var xhr = new XMLHttpRequest();
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var response = Q.defer();
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function onload() {
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var rule = url.replace(endpoint, "").split("?", 1)[0];
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if (rule in rules && rules[rule].indexOf(xhr.status) === -1) {
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response.reject(xhr.responseText);
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} else {
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response.resolve({status: xhr.status, body: xhr.responseText});
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}
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}
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try {
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xhr.open(method, url, true);
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xhr.withCredentials = true; // fuck you, fuck you, fuck you IE
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xhr.onreadystatechange = function () {
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if (xhr.readyState === 4) {
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onload();
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}
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};
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} catch (exception) {
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response.reject(exception.message);
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}
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xhr.send(data);
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return response.promise;
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};
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var qs = function(params) {
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var rv = "";
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for (var key in params) {
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if (params.hasOwnProperty(key) && params[key]) {
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rv += key + "=" + encodeURIComponent(params[key]) + "&";
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}
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}
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return rv.substring(0, rv.length - 1); // chop off trailing "&"
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};
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var create = function(data) {
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return curl("POST", endpoint + "/new?" + qs({uri: location}), JSON.stringify(data)).then(
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function (rv) { return JSON.parse(rv.body); });
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};
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var modify = function(id, data) {
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return curl("PUT", endpoint + "/id/" + id, JSON.stringify(data)).then(
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function (rv) { return JSON.parse(rv.body); });
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};
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var remove = function(id) {
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return curl("DELETE", endpoint + "/id/" + id, null).then(function(rv) {
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if (rv.status === 403) {
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throw "Not authorized to remove this comment!";
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}
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return JSON.parse(rv.body) === null;
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});
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};
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var view = function(id, plain) {
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return curl("GET", endpoint + "/id/" + id + "?" + qs({plain: plain}), null).then(function (rv) {
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return JSON.parse(rv.body);
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});
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};
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var fetch = function(plain) {
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return curl("GET", endpoint + "/?" + qs({uri: location, plain: plain}), null).then(function (rv) {
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if (rv.status === 200) {
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return JSON.parse(rv.body);
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} else {
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return [];
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}
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});
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};
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var count = function(uri) {
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return curl("GET", endpoint + "/count?" + qs({uri: uri}), null).then(function(rv) {
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return JSON.parse(rv.body);
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});
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};
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var like = function(id) {
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return curl("POST", endpoint + "/id/" + id + "/like", null).then(function(rv) {
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return JSON.parse(rv.body);
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});
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};
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var dislike = function(id) {
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return curl("POST", endpoint + "/id/" + id + "/dislike", null).then(function(rv) {
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return JSON.parse(rv.body);
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});
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};
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remote_addr = curl("GET", endpoint + "/check-ip", null).then(function(rv) {
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return rv.body;
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});
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return {
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endpoint: endpoint,
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remote_addr: remote_addr,
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salt: salt,
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create: create,
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modify: modify,
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remove: remove,
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view: view,
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fetch: fetch,
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count: count,
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like: like,
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dislike: dislike
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};
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});
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