fix video downloads again

flurrux · Jun 10, 2023 · 4ea49e9 · 4ea49e9
1 parent e9755b9
commit 4ea49e9
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Showing 6 changed files with 23 additions and 12 deletions.
diff --git a/README.md b/README.md
@@ -9,12 +9,7 @@ so before you use this extension, you have to be willing to wait for a fix when
 
 ## previous breakage
 
-on March 30th 2023, i've noticed that video downloads on carousel posts were broken again.  
-this was due to Instagram now making a specific API call several times when i've assumed it would only be made once.  
-the fix is available in the newest release (1.3.16).  
-
-please note that there may be another error with video downloads from single-post pages. if a download fails for you, try to reload the page and download again. i'll keep an eye out for this problem.
-
+on June 10th 2023, i've noticed that video downloads from posts were broken again. my previous fix was not as robust as i had hoped, but the latest fix should remedy this.
 
 
 ## current limitations are:  

diff --git a/app/src/data-extraction/instagram-api/request-header-collection/web-request-listener.ts b/app/src/data-extraction/instagram-api/request-header-collection/web-request-listener.ts
@@ -46,6 +46,8 @@ webRequest.onSendHeaders.addListener(
 
 // # graphql #
 
+const polarisPostRootQuery = "PolarisPostRootQuery";
+
 const graphqlUrls: string[] = [
 	// "*://www.instagram.com/graphql/query",
 	"*://www.instagram.com/api/graphql"
@@ -56,6 +58,13 @@ webRequest.onSendHeaders.addListener(
 		const { requestHeaders } = details;
 		if (!requestHeaders) return;
 		console.log("graphql request headers", details);
+
+		const X_FB_Friendly_Name_entry = requestHeaders.find(
+			({ name }) => name === "X-FB-Friendly-Name"
+		);
+		if (!X_FB_Friendly_Name_entry) return;
+		if (X_FB_Friendly_Name_entry.value !== polarisPostRootQuery) return;
+
 		tabs.sendMessage(
 			details.tabId, 
 			{ requestHeaders: objectifyRequestHeaders(requestHeaders) }
@@ -68,9 +77,16 @@ webRequest.onSendHeaders.addListener(
 webRequest.onBeforeRequest.addListener(
 	(details) => {
 		console.log("graphql request body", details);
+
+		const formData = details.requestBody?.formData;
+		if (!formData) return;
+
+		const { fb_api_req_friendly_name } = formData;
+		if (!fb_api_req_friendly_name) return;
+		if (fb_api_req_friendly_name[0] !== polarisPostRootQuery) return;
+
 		tabs.sendMessage(
-			details.tabId,
-			{ requestBody: details.requestBody?.formData }
+			details.tabId, { requestBody: formData }
 		);
 	},
 	{ urls: graphqlUrls },

diff --git a/dist/assets/background.ts.069ea2dd.js → dist/assets/background.ts.850526c9.js b/dist/assets/background.ts.069ea2dd.js → dist/assets/background.ts.850526c9.js
diff --git a/dist/manifest.json b/dist/manifest.json
@@ -2,7 +2,7 @@
   "manifest_version": 3,
   "name": "insta-loader",
   "description": "download buttons for instagram media.",
-  "version": "1.3.16",
+  "version": "1.3.17",
   "icons": {
     "16": "assets/icons/insta-loader-icon-16.png",
     "48": "assets/icons/insta-loader-icon-48.png",

diff --git a/dist/service-worker-loader.js b/dist/service-worker-loader.js
@@ -1 +1 @@
-import './assets/background.ts.069ea2dd.js';
+import './assets/background.ts.850526c9.js';
diff --git a/manifest.json b/manifest.json
@@ -3,7 +3,7 @@
 
 	"name": "insta-loader",
 	"description": "download buttons for instagram media.",
-	"version": "1.3.16",
+	"version": "1.3.17",
 
 	"icons": { 
 		"16": "assets/icons/insta-loader-icon-16.png",
Original file line number	Diff line number	Diff line change
		@@ -1 +1 @@
		import './assets/background.ts.069ea2dd.js';
		import './assets/background.ts.850526c9.js';