feat: add pinterest support (by Snazzah)

merge pull request #134 from Snazzah/feat/pinterest

src/modules/processing/match.js

@@ -17,6 +17,7 @@ import vimeo from "./services/vimeo.js";
 import soundcloud from "./services/soundcloud.js";
 import instagram from "./services/instagram.js";
 import vine from "./services/vine.js";
+import pinterest from "./services/pinterest.js";
 
 export default async function (host, patternMatch, url, lang, obj) {
     try {
@@ -110,6 +111,9 @@ export default async function (host, patternMatch, url, lang, obj) {
             case "vine":
                 r = await vine({ id: patternMatch["id"] });
                 break;
+            case "pinterest":
+                r = await pinterest({ id: patternMatch["id"] });
+                break;
             default:
                 return apiJSON(0, { t: errorUnsupported(lang) });
         }

src/modules/processing/matchActionDecider.js

@@ -56,6 +56,7 @@ export default function(r, host, ip, audioFormat, isAudioOnly, lang, isAudioMute
                 case "instagram":
                 case "tumblr":
                 case "twitter":
+                case "pinterest":
                     responseType = 1;
                     break;
             }

src/modules/processing/services/pinterest.js

@@ -0,0 +1,24 @@
+import { maxVideoDuration } from "../../config.js";
+
+export default async function(obj) {
+    const pinId = obj.id.split('--').reverse()[0];
+    if (!(/^\d+$/.test(pinId))) return { error: 'ErrorCantGetID' };
+    let data = await fetch(`https://www.pinterest.com/resource/PinResource/get?data=${encodeURIComponent(JSON.stringify({
+        options: {
+            field_set_key: "unauth_react_main_pin",
+            id: pinId
+        }
+    }))}`).then((r) => { return r.json() }).catch(() => { return false });
+    if (!data) return { error: 'ErrorCouldntFetch' };
+
+    data = data["resource_response"]["data"];
+
+    let video = null;
+
+    if (data.videos !== null) video = data.videos.video_list.V_720P;
+    else if (data.story_pin_data !== null) video = data.story_pin_data.pages[0].blocks[0].video.video_list.V_EXP7;
+
+    if (!video) return { error: 'ErrorEmptyDownload' };
+    if (video.duration > maxVideoDuration) return { error: ['ErrorLengthLimit', maxVideoDuration / 60000] };
+    return { urls: video.url, filename: `pinterest_${pinId}.mp4`, audioFilename: `pinterest_${pinId}_audio` }
+}

src/modules/processing/servicesConfig.json

@@ -62,6 +62,11 @@
             "tld": "co",
             "patterns": ["v/:id"],
             "enabled": true
+        },
+        "pinterest": {
+            "alias": "pinterest videos & stories",
+            "patterns": ["pin/:id"],
+            "enabled": true
         }
     }    
 }

src/modules/processing/servicesPatternTesters.js

@@ -28,5 +28,7 @@ export const testers = {
 
     "instagram": (patternMatch) => (patternMatch["id"] && patternMatch["id"].length <= 12),
     
-    "vine": (patternMatch) => (patternMatch["id"] && patternMatch["id"].length <= 12)
+    "vine": (patternMatch) => (patternMatch["id"] && patternMatch["id"].length <= 12),
+    
+    "pinterest": (patternMatch) => (patternMatch["id"] && patternMatch["id"].length <= 128)
 }