MOBILE-3222 iframe: Fix Embed youtube url

src/addon/filter/mediaplugin/providers/handler.ts

@@ -69,25 +69,16 @@ export class AddonFilterMediaPluginHandler extends CoreFilterDefaultHandler {
         }
 
         const data = this.textUtils.parseJSON(video.getAttribute('data-setup') || video.getAttribute('data-setup-lazy') || '{}'),
-            youtubeData = data.techOrder && data.techOrder[0] && data.techOrder[0] == 'youtube' &&
+            youtubeUrl = data.techOrder && data.techOrder[0] && data.techOrder[0] == 'youtube' &&
-                    this.parseYoutubeUrl(data.sources && data.sources[0] && data.sources[0].src);
+                    this.urlUtils.getYoutubeEmbedUrl(data.sources && data.sources[0] && data.sources[0].src);
 
-        if (!youtubeData || !youtubeData.videoId) {
+        if (!youtubeUrl) {
             return;
         }
 
-        const iframe = document.createElement('iframe'),
+        const iframe = document.createElement('iframe');
-            params: any = {};
-
-        if (youtubeData.listId !== null) {
-            params.list = youtubeData.listId;
-        }
-        if (youtubeData.start !== null) {
-            params.start = youtubeData.start;
-        }
-
         iframe.id = video.id;
-        iframe.src = this.urlUtils.addParamsToUrl('https://www.youtube.com/embed/' + youtubeData.videoId, params);
+        iframe.src = youtubeUrl;
         iframe.setAttribute('frameborder', '0');
         iframe.setAttribute('allowfullscreen', '1');
         iframe.width = '100%';
@@ -96,55 +87,4 @@ export class AddonFilterMediaPluginHandler extends CoreFilterDefaultHandler {
         // Replace video tag by the iframe.
         video.parentNode.replaceChild(iframe, video);
     }
-
-    /**
-     * Parse a YouTube URL.
-     * Based on Youtube.parseUrl from Moodle media/player/videojs/amd/src/Youtube-lazy.js
-     *
-     * @param url URL of the video.
-     * @return Data of the video.
-     */
-    protected parseYoutubeUrl(url: string): {videoId: string, listId?: string, start?: number} {
-        const result = {
-            videoId: null,
-            listId: null,
-            start: null
-        };
-
-        if (!url) {
-            return result;
-        }
-
-        url = this.textUtils.decodeHTML(url);
-
-        // Get the video ID.
-        let match = url.match(/^.*(youtu.be\/|v\/|u\/\w\/|embed\/|watch\?v=|\&v=)([^#\&\?]*).*/);
-
-        if (match && match[2].length === 11) {
-            result.videoId = match[2];
-        }
-
-        // Now get the playlist (if any).
-        match = url.match(/[?&]list=([^#\&\?]+)/);
-
-        if (match && match[1]) {
-            result.listId = match[1];
-        }
-
-        // Now get the start time (if any).
-        match = url.match(/[?&]start=(\d+)/);
-
-        if (match && match[1]) {
-            result.start = parseInt(match[1], 10);
-        } else {
-            // No start param, but it could have a time param.
-            match = url.match(/[?&]t=(\d+h)?(\d+m)?(\d+s)?/);
-            if (match) {
-                result.start = (match[1] ? parseInt(match[1], 10) * 3600 : 0) + (match[2] ? parseInt(match[2], 10) * 60 : 0) +
-                        (match[3] ? parseInt(match[3], 10) : 0);
-            }
-        }
-
-        return result;
-    }
 }

src/components/iframe/iframe.ts

@@ -19,6 +19,7 @@ import { DomSanitizer, SafeResourceUrl } from '@angular/platform-browser';
 import { NavController } from 'ionic-angular';
 import { CoreLoggerProvider } from '@providers/logger';
 import { CoreDomUtilsProvider } from '@providers/utils/dom';
+import { CoreUrlUtilsProvider } from '@providers/utils/url';
 import { CoreIframeUtilsProvider } from '@providers/utils/iframe';
 import { CoreSplitViewComponent } from '@components/split-view/split-view';
 
@@ -39,9 +40,13 @@ export class CoreIframeComponent implements OnInit, OnChanges {
     protected logger;
     protected IFRAME_TIMEOUT = 15000;
 
-    constructor(logger: CoreLoggerProvider, private iframeUtils: CoreIframeUtilsProvider, private domUtils: CoreDomUtilsProvider,
+    constructor(logger: CoreLoggerProvider,
-            private sanitizer: DomSanitizer, private navCtrl: NavController,
+            protected iframeUtils: CoreIframeUtilsProvider,
-            @Optional() private svComponent: CoreSplitViewComponent) {
+            protected domUtils: CoreDomUtilsProvider,
+            protected sanitizer: DomSanitizer,
+            protected navCtrl: NavController,
+            protected urlUtils: CoreUrlUtilsProvider,
+            @Optional() protected svComponent: CoreSplitViewComponent) {
 
         this.logger = logger.getInstance('CoreIframe');
         this.loaded = new EventEmitter<HTMLIFrameElement>();
@@ -84,7 +89,8 @@ export class CoreIframeComponent implements OnInit, OnChanges {
      */
     ngOnChanges(changes: {[name: string]: SimpleChange }): void {
         if (changes.src) {
-            this.safeUrl = this.sanitizer.bypassSecurityTrustResourceUrl(changes.src.currentValue);
+            const youtubeUrl = this.urlUtils.getYoutubeEmbedUrl(changes.src.currentValue);
+            this.safeUrl = this.sanitizer.bypassSecurityTrustResourceUrl(youtubeUrl || changes.src.currentValue);
         }
     }
 }

src/providers/utils/url.ts

@@ -233,6 +233,58 @@ export class CoreUrlUtilsProvider {
         });
     }
 
+    /**
+     * Returns the Youtube Embed Video URL or null if not found.
+     *
+     * @param  url URL
+     * @return Youtube Embed Video URL or null if not found.
+     */
+    getYoutubeEmbedUrl(url: string): string {
+        if (!url) {
+            return;
+        }
+
+        let videoId;
+        const params: any = {};
+
+        url = this.textUtils.decodeHTML(url);
+
+        // Get the video ID.
+        let match = url.match(/^.*(youtu.be\/|v\/|u\/\w\/|embed\/|watch\?v=|\&v=)([^#\&\?]*).*/);
+
+        if (match && match[2].length === 11) {
+            videoId = match[2];
+        }
+
+        // No videoId, do not continue.
+        if (!videoId) {
+            return;
+        }
+
+        // Now get the playlist (if any).
+        match = url.match(/[?&]list=([^#\&\?]+)/);
+
+        if (match && match[1]) {
+            params.list = match[1];
+        }
+
+        // Now get the start time (if any).
+        match = url.match(/[?&]start=(\d+)/);
+
+        if (match && match[1]) {
+            params.start = parseInt(match[1], 10);
+        } else {
+            // No start param, but it could have a time param.
+            match = url.match(/[?&]t=(\d+h)?(\d+m)?(\d+s)?/);
+            if (match) {
+                params.start = (match[1] ? parseInt(match[1], 10) * 3600 : 0) + (match[2] ? parseInt(match[2], 10) * 60 : 0) +
+                        (match[3] ? parseInt(match[3], 10) : 0);
+            }
+        }
+
+        return this.addParamsToUrl('https://www.youtube.com/embed/' + videoId, params);
+    }
+
     /**
      * Given a URL, returns what's after the last '/' without params.
      * Example: