Refactor (Async suffix, default cb), fix error page gradient

extensions/chromium/minimalistic-pac-setter/extension/11-api-error-handlers.js

@@ -134,13 +134,22 @@
     (details) => handlers.isNotControlled(details)
   );
 
+  const openAndFocus = (url) => {
+
+    chrome.tabs.create(
+      {active: true, url: url},
+      (tab) => chrome.windows.update(tab.windowId, {focused: true})
+    );
+
+  };
+
   chrome.notifications.onClicked.addListener( function(notId) {
 
     chrome.notifications.clear(notId);
     if(notId === 'no-control') {
-      return chrome.tabs.create({active: true, url: 'chrome://settings/#proxy'});
+      return openAndFocus('chrome://settings/#proxy');
     }
-    chrome.tabs.create({active: true, url: './pages/view-error/index.html#' + notId});
+    openAndFocus('./pages/view-error/index.html#' + notId);
 
   });
 
@@ -151,9 +160,18 @@
     if (handlers.ifNoControl) {
       return;
     }
+    /*
+      Example:
+        details: "line: 7: Uncaught Error: This is error, man.",
+        error: "net::ERR_PAC_SCRIPT_FAILED",
+        fatal: false,
+    */
     console.warn('PAC ERROR', details);
-    handlers.mayNotify('pac-error', 'Ошибка PAC!', details,
-      'pac-error-128.png' );
+    // TOOD: add "view pac script at this line" button.
+    handlers.mayNotify('pac-error', 'Ошибка PAC!',
+      details.error + '\n' + details.details,
+      'pac-error-128.png'
+    );
 
   });
 
@@ -163,7 +181,8 @@
     const noCon = 'no-control';
     if ( handlers.isNotControlled(details) ) {
       console.log(details);
-      handlers.mayNotify(noCon, 'Прокси контролирует другое расширение', details,
+      handlers.mayNotify(noCon, 'Другое расширение контролирует прокси',
+        'Какое?',
         'no-control-128.png');
     } else {
       chrome.notifications.clear( noCon );

extensions/chromium/minimalistic-pac-setter/extension/12-api-sync-pac-script-with-pac-provider.js

@@ -16,6 +16,71 @@
 */
 { // Private namespace starts.
 
+  function mandatory() {
+
+    throw new TypeError('Missing required argument. ' +
+      'Be explicit if you swallow errors.');
+
+  }
+
+  function throwIfError(err) {
+
+    if(err) {
+      throw err;
+    }
+
+  }
+
+  function asyncLogGroup(...args) {
+
+    const cb = args.pop();
+    if(!(cb && typeof(cb) === 'function')) {
+      throw new TypeError('cb must be a function, but got: ' + cb);
+    }
+    console.group(...args);
+    return function(...cbArgs) {
+
+      console.groupEnd();
+      console.log('Group finished.');
+      cb(...cbArgs);
+
+    };
+
+  }
+
+  function checkChromeError(betterStack) {
+
+    // Chrome API calls your cb in a context different from the point of API
+    // method invokation.
+    const err = chrome.runtime.lastError || chrome.extension.lastError || null;
+    if (err) {
+      const args = ['API returned error:', err];
+      if (betterStack) {
+        args.push('\n' + betterStack);
+      }
+      console.warn(...args);
+    }
+    return err;
+
+  }
+
+  function chromified(cb = mandatory(), ...replaceArgs) {
+
+    const stack = (new Error()).stack;
+    // Take error first callback and convert it to chrome api callback.
+    return function(...args) {
+
+      if (replaceArgs.length) {
+        args = replaceArgs;
+      }
+      const err = checkChromeError(stack);
+      // setTimeout fixes error context.
+      setTimeout( cb.bind(null, err, ...args), 0 );
+
+    };
+
+  }
+
   window.apis.antiCensorRu = {
 
     version: chrome.runtime.getManifest().version,
@@ -99,7 +164,7 @@
 
     _periodicUpdateAlarmReason: 'Периодичное обновление PAC-скрипта Антизапрет',
 
-    pushToStorageAsync(cb) {
+    pushToStorageAsync(cb = throwIfError) {
 
       console.log('Pushing to storage...');
 
@@ -123,29 +188,10 @@
 
     },
 
-    /*
-    pullFromStorage(cb) {
+    syncWithPacProviderAsync(
+      key = this.currentPacProvierKey, cb = throwIfError) {
 
-      chrome.storage.local.get(null, (storage) => {
-
-        const err = checkChromeError();
-        if (!err) {
-          console.log('Pulled from storage:', storage);
-          for(const key of Object.keys(storage)) {
-            this[key] = storage[key];
-          }
-        }
-
-        console.log('Synced with storage, any callback?', !!cb);
-        cb && cb(err, storage);
-
-      });
-    },
-    */
-
-    syncWithPacProviderAsync(key, cb) {
-
-      if( !key || typeof(key) === 'function' ) {
+      if( typeof(key) === 'function' ) {
         cb = key;
         key = this.currentPacProviderKey;
       }
@@ -239,7 +285,7 @@
 
     },
 
-    installPacAsync(key, cb) {
+    installPacAsync(key, cb = throwIfError) {
 
       console.log('Installing PAC...');
       if (!key) {
@@ -253,7 +299,7 @@
 
     },
 
-    clearPacAsync(cb) {
+    clearPacAsync(cb = throwIfError) {
 
       cb = asyncLogGroup('Cearing alarms and PAC...', cb);
       chrome.alarms.clearAll(
@@ -279,7 +325,11 @@
   // ON EACH LAUNCH, STARTUP, RELOAD, UPDATE, ENABLE
   chrome.storage.local.get(null, (oldStorage) => {
 
-    checkChromeError();
+    const err = checkChromeError();
+    if (err) {
+      throw err;
+    }
+
     /*
        Event handlers that ALWAYS work (even if installation is not done
        or failed).
@@ -296,7 +346,7 @@
             'Periodic PAC update triggered:',
             new Date().toLocaleString('ru-RU')
           );
-          antiCensorRu.syncWithPacProviderAsync(/* Swallows errors. */);
+          antiCensorRu.syncWithPacProviderAsync(() => {/* swallow */});
         }
 
       }
@@ -358,7 +408,7 @@
     // UPDATE & MIGRATION
     console.log('Extension updated.');
     if (!ifAlarmTriggered) {
-      antiCensorRu.pushToStorageAsync(/* Swallows errors. */);
+      antiCensorRu.pushToStorageAsync();
     }
 
     /*
@@ -374,55 +424,7 @@
 
   });
 
-  function asyncLogGroup(...args) {
-
-    const cb = args.pop() || (() => {});
-    console.group(...args);
-    return function(...cbArgs) {
-
-      console.groupEnd();
-      console.log('Group finished.');
-      cb(...cbArgs);
-
-    };
-
-  }
-
-  function checkChromeError(betterStack) {
-
-    // Chrome API calls your cb in a context different from the point of API
-    // method invokation.
-    const err = chrome.runtime.lastError || chrome.extension.lastError || null;
-    if (err) {
-      const args = ['API returned error:', err];
-      if (betterStack) {
-        args.push('\n' + betterStack);
-      }
-      console.warn(...args);
-    }
-    return err;
-
-  }
-
-  function chromified(cb, ...replaceArgs) {
-
-    const stack = (new Error()).stack;
-    // Take error first callback and convert it to chrome api callback.
-    return function(...args) {
-
-      if (replaceArgs.length) {
-        args = replaceArgs;
-      }
-      const err = checkChromeError(stack);
-      if (cb) {
-        setTimeout( cb.bind(null, err, ...args), 0 );
-      }
-
-    };
-
-  }
-
-  function setPac(pacData, cb) {
+  function setPac(pacData, cb = throwIfError) {
 
     const config = {
       mode: 'pac_script',
@@ -452,15 +454,14 @@
 
   }
 
-  function httpGet(url, cb) {
+  function httpGet(url, cb = mandatory()) {
 
     const start = Date.now();
     fetch(url).then(
       (res) => {
 
         const textCb =
-          (err) => cb && res.text()
-            .then( (text) => cb(err, text), cb );
+          (err) => res.text().then( (text) => cb(err, text), cb );
         const status = res.status;
         if ( !( status >= 200 && status < 300 || status === 304 ) ) {
           res.clarification = {
@@ -477,14 +478,14 @@
         err.clarification = {
           message: 'Что-то не так с сетью, проверьте соединение.',
         };
-        cb && cb(err);
+        cb(err);
 
       }
     );
 
   }
 
-  function getIpsFor(host, cb) {
+  function getIpsFor(host, cb = mandatory()) {
 
     const types = [1, 28];
     const promises = types.map(
@@ -546,7 +547,7 @@
 
   }
 
-  function updatePacProxyIps(provider, cb) {
+  function updatePacProxyIps(provider, cb = throwIfError) {
 
     cb = asyncLogGroup(
       'Getting IP for '+ provider.proxyHosts.join(', ') + '...',
@@ -585,7 +586,7 @@
 
   }
 
-  function setPacScriptFromProvider(provider, cb) {
+  function setPacScriptFromProvider(provider, cb = throwIfError) {
 
     cb = asyncLogGroup(
       'Getting pac script from provider...', provider.pacUrl,

extensions/chromium/minimalistic-pac-setter/extension/40-context-menus.js

@@ -26,13 +26,13 @@
   );
 
   createMenuLinkEntry(
-    'Открыть веб прокси (не наш)',
-    (tab) => 'https://kproxy.com'
+    'Через Google Translate',
+    (tab) => 'https://translate.google.com/translate?hl=&sl=en&tl=ru&anno=2&sandbox=1&u=' + tab.url
   );
 
   createMenuLinkEntry(
     'Другие варианты разблокировки',
-    (tab) => 'https://rebrand.ly/unblock#' + tab.url
+    (tab) => 'https://rebrand.ly/ac-unblock#' + tab.url
   );
 
   createMenuLinkEntry(

extensions/chromium/minimalistic-pac-setter/extension/pages/choose-pac-provider/index.js

@@ -89,16 +89,20 @@ chrome.runtime.getBackgroundPage( (backgroundPage) =>
         </span>
         <br/>
         <span style="font-size: 0.9em; color: darkred">${message}</span>
-        <a href class="link-button">[Ещё&nbsp;подробнее]</a>`
+        <a href="../view-error/index.html" class="link-button">
+          [Ещё&nbsp;подробнее]
+        </a>`
       );
       getStatus().querySelector('.link-button').onclick = function() {
 
         const div = document.createElement('div');
         div.innerHTML = `
-          Более подробную информацию можно узнать из логов фоновой страницы:<br/>
-          <a href="chrome://extensions?id=${chrome.runtime.id}" data-in-bg="true">
-          chrome://extensions</a> ›
-          Это расширение › Отладка страниц: фоновая страница › Console (DevTools)
+          Более подробную информацию можно узнать из логов фоновой страницы:
+          <br/>
+          <a href="chrome://extensions?id=${chrome.runtime.id}"
+            data-in-bg="true">
+          chrome://extensions</a> › Это расширение › Отладка страниц: фоновая
+          страница › Console (DevTools)
           <br>
           Ещё: ` + JSON.stringify({err: err, stack: err.stack});
         getStatus().replaceChild(div, this);
@@ -137,7 +141,8 @@ chrome.runtime.getBackgroundPage( (backgroundPage) =>
     const _firstChild = ul.firstChild;
     for( const providerKey of Object.keys(antiCensorRu.pacProviders).sort() ) {
       const li = document.createElement('li');
-      li.innerHTML = `<input type="radio" name="pacProvider" id="${providerKey}">
+      li.innerHTML = `
+        <input type="radio" name="pacProvider" id="${providerKey}">
         <label for="${providerKey}">${providerKey}</label>
         <a href class="link-button checked-radio-panel"
           id="update-${providerKey}">[обновить]</a>`;
@@ -159,7 +164,9 @@ chrome.runtime.getBackgroundPage( (backgroundPage) =>
     for(const radio of radios) {
       radio.onclick = function(event) {
 
-        if (event.target.id === (antiCensorRu.currentPacProviderKey || 'none')) {
+        if (
+          event.target.id === (antiCensorRu.currentPacProviderKey || 'none')
+        ) {
           return false;
         }
         const pacKey = event.target.id;
@@ -194,7 +201,10 @@ chrome.runtime.getBackgroundPage( (backgroundPage) =>
       box.onclick = function() {
 
         const id = this.id.replace('if-on-', '');
-        backgroundPage.apis.errorHandlers.switch(this.checked ? 'on' : 'off', id);
+        backgroundPage.apis.errorHandlers.switch(
+          this.checked ? 'on' : 'off',
+          id
+        );
 
       };
       conpanel.appendChild(li);

extensions/chromium/minimalistic-pac-setter/extension/pages/view-error/index.html

@@ -7,15 +7,13 @@
         margin: 0;
         padding: 0;
         width: 100%;
-        height: 100%;
+        min-height: 100%;
       }
       html {
         background: black url('./err.jpg') repeat;
         background-position: left;
         color: white;
-      }
-      body {
-        background: linear-gradient(to bottom, black 45em, transparent);
+        padding-bottom: 10em;
       }
       header {
         padding-top: 1em;
@@ -52,14 +50,20 @@
     </style>
   </head>
   <body>
+    <div id='for-bg'>
       <header>
         <h2>Информация об ошибке</h2>
       </header>
-    <main>
+      <main style="display: none">
         <ol>
           <li>Тип: <span>ext-error</span></li>
           <li><pre><code id="output" class='hljs'></code></pre></li>
-        <li><textarea placeholder='Ваш комментарий (опционально)' id="comment"></textarea></li>
+          <li><textarea placeholder='Ваш комментарий (опционально)' id="comment">
+К этой ошибке приводят следующие действия:
+1. ...
+2. ...
+</textarea>
+          </li>
           <li>
             <button id="raven-report">Отправить автору</button>
             <button id="github-search">Искать на GitHub</button>
@@ -67,6 +71,7 @@
           </li>
         </ol>
       </main>
+    </div>
     <script src="./vendor/raven3.8.1.min.js" crossorigin="anonymous"></script>
     <link rel="stylesheet" href="./vendor/highlight.js/styles/atom-one-dark.css">
     <script src="./vendor/highlight.js/highlight9.8.0.min.js"></script>

extensions/chromium/minimalistic-pac-setter/extension/pages/view-error/index.js

@@ -1,8 +1,12 @@
 'use strict';
-
+/* global Raven:false, hljs:false */
 function errorJsonReplacer(key, value) {
 
-  if ( !['Error', 'ErrorEvent'].includes( value.constructor.name ) ) {
+  if (!( value && value.constructor
+    && ['Error', 'Event'].some(
+      (suff) => value.constructor.name.endsWith(suff)
+    )
+  )) {
     return value;
   }
   const alt = {};
@@ -34,34 +38,57 @@ function errorJsonReplacer(key, value) {
 
 }
 
-chrome.runtime.getBackgroundPage( (backgroundPage) =>
-  backgroundPage.apis.errorHandlers.installListenersOn(window, 'ErrView', () => {
+chrome.runtime.getBackgroundPage( (bgPage) =>
+  bgPage.apis.errorHandlers.installListenersOn(window, 'ErrView', () => {
 
     Raven.config('https://bc534321358f455b9ae861740c2d3af8@sentry.io/116007', {
       release: chrome.runtime.getManifest().version,
       autoBreadcrumbs: false,
     }).install();
 
+    const originalComment = document.querySelector('#comment').value.trim();
+    let json;
+    let err;
+    {
+      const output = document.getElementById('output');
       const errId = window.location.hash.slice(1);
-    const err = backgroundPage.apis.errorHandlers.idToErr[errId];
-    const json = JSON.stringify(err, errorJsonReplacer, 2);
-    document.getElementById('output').innerHTML = hljs.highlight('json', json).value;
+      const idToErr = bgPage.apis.errorHandlers.idToErr;
+      err = errId && idToErr[errId] || idToErr;
+      if (!Object.keys(err).length) {
+        output.innerHTML = 'Ошибок не найдено. ' +
+          'Оставьте, пожалуйста, подробный комментарий.';
+      } else {
+        json = JSON.stringify(err, errorJsonReplacer, 2);
+        output.innerHTML = hljs.highlight('json', json).value;
+      }
+    }
 
     document.addEventListener('ravenSuccess', () => alert('Готово'));
-    document.addEventListener('ravenFailure', () => alert('Ошибка sentry.io! (подробности недоступны)'));
+    document.addEventListener('ravenFailure',
+      () => alert('Ошибка sentry.io! (подробности недоступны)'));
 
     document.getElementById('raven-report').onclick = () => {
 
       const e = err.error || err;
-      const extra = JSON.parse(json);
-      const comment = document.getElementById('comment').value;
-      if (comment.trim()) {
+      let comment = document.getElementById('comment').value.trim();
+      if (comment === originalComment) {
+        comment = '';
+      }
+      if (!comment && !json) {
+        return alert('Посылать нечего, так как вы не оставили комментария.');
+      }
+      const extra = json && JSON.parse(json) || {};
+      if (comment) {
         extra.comment = comment;
       }
       Raven.captureException(e, {
         extra: extra,
         onSuccess: () => alert('Готово'),
-        onError: (err) => { throw err; }
+        onError: (err) => {
+
+          throw err;
+
+        },
       });
 
     };
@@ -70,8 +97,7 @@ chrome.runtime.getBackgroundPage( (backgroundPage) =>
 
       const title = err.message || err;
       chrome.tabs.create({
-        active: true,
-        url: 'https://rebrand.ly/ac-search-issues?q=' + encodeURIComponent(title)
+        url: 'https://rebrand.ly/ac-search-issues?q=' + encodeURIComponent(title),
       });
 
     };
@@ -90,11 +116,16 @@ ${json}
 Версия: ${chrome.runtime.getManifest().version}
 `;
       chrome.tabs.create({
-        active: true,
-        url: `https://rebrand.ly/ac-new-issue?title=${encodeURIComponent(title)}&body=${encodeURIComponent(body)}`
+        url: `https://rebrand.ly/ac-new-issue?title=${encodeURIComponent(title)}&body=${encodeURIComponent(body)}`,
       });
 
     };
 
+    document.querySelector('main').style.display = '';
+    document.body.style.background =
+        'linear-gradient(to bottom, black ' +
+        document.querySelector('textarea').offsetTop +
+        'px, transparent)';
+
   })
 );