Jacobk's and Koszko's improvements to app.box.com

author: Wojtek Kosior <koszko@koszko.org> 2022-01-24 11:27:37 +0100
committer: Wojtek Kosior <koszko@koszko.org> 2022-01-24 11:45:04 +0100
commit: 9ceab6826af54f343a1f09ed0f6b2010552f8a2d (patch)
tree: b359ba270a30d7830bd75fcd98bfbab8f3b9894f
parent: 0567d00d3f9bcaae87113f5c7d256493d5f2e71a (diff)
download: hydrilla-fixes-bundle-9ceab6826af54f343a1f09ed0f6b2010552f8a2d.tar.gz
hydrilla-fixes-bundle-9ceab6826af54f343a1f09ed0f6b2010552f8a2d.zip
2 files changed, 122 insertions, 69 deletions
diff --git a/content/sbox/box-fix.js b/content/sbox/box-fix.js
index e8dd9c2..709deb8 100644
--- a/content/sbox/box-fix.js
+++ b/content/sbox/box-fix.js
@@ -49,14 +49,13 @@
 		// a soundtrack in a zip file
 		// This is a static download, so it works without this script.
 	// https://app.box.com/s/vysdh2u78yih3c8leetgq82il954a3g3
-		// some gambling add
+		// some gambling ad
 		// pptx
 	// https://app.box.com/s/nnlplkmjhimau404qohh9my10pwmo8es
 		// a list of books(?)
 		// txt
 	// https://ucla.app.box.com/s/mv32q624ojihohzh8d0mhhj0b3xluzbz
 		// "COVID-19 Pivot Plan Decision Matrix"
-		// cannot be downloaded (403 Forbidden): "This user is not allowed to use direct links. Please email "[support address, changes depending on where you are logged in]" for support"
 		// If you load the proprietary scripts on this page, you'll see that there is no download button
 	// TODO: find a public folder link (the private links I have seem to work)
 	// TODO: find a (preferably public) link with a folder inside a folder, as these may need to be handled differently
@@ -87,28 +86,90 @@ for (const script of document.scripts) {
     postStreamData = JSON.parse(match[1]);
 }
 
-// empty the initial document body
-[...document.body.childNodes].forEach(n => n.remove());
+// get domain from URL
+const domain = document.location.href.split("/")[2];
 
-// create div container
-const divContainer = document.createElement("div");
-document.body.append(divContainer);
+/* Replace current page contents. */
+const replacement_html = `\
+<!DOCTYPE html>
+<html>
+  <head>
+    <style>
+      button, .button {
+          border-radius: 10px;
+          padding: 20px;
+          color: #333;
+          background-color:
+          lightgreen;
+          text-decoration: none;
+          display: inline-block;
+      }
+      button:hover, .button:hover {
+          box-shadow: -4px 8px 8px #888;
+      }
 
-const loadingIcon = document.createElement("h1");
-loadingIcon.innerText = "loading...";
-loadingIcon.style.display = "none";
+      .hide {
+          display: none;
+      }
 
-const error_msg = document.createElement("h1");
-error_msg.innerText = "error occured :(";
-error_msg.style.display = "none";
+      #download_button .unofficial, #download_button .red_note {
+          display: none;
+      }
+      #download_button.unofficial .unofficial {
+          display: inline;
+      }
+      #download_button.unofficial .red_note {
+          display: block;
+      }
+      .red_note {
+          font-size: 75%;
+          color: #c55;
+          font-style: italic;
+          text-align: center;
+      }
+    </style>
+  </head>
+  <body>
+    <h1 id="loading" class="hide">loading...</h1>
+    <h1 id="error" class="hide">error occured :(</h1>
+    <h1 id="title" class="hide"></h1>
+    <div id="single_file_section" class="hide">
+      <a id="download_button" class="button">
+        <span class="unofficial">unofficial</span> download
+        <aside class="red_note">(officially disallowed)</aside>
+      </a>
+      <aside></aside>
+      <h2>File info</h2>
+      <div id="file_info"></div>
+    </div>
+  </body>
+</html>
+`;
 
-divContainer.append(loadingIcon, error_msg);
+/*
+ * We could instead use document.write(), but browser's debugging tools would
+ * not see the new page contents.
+ */
+const parser = new DOMParser();
+const alt_doc = parser.parseFromString(replacement_html, "text/html");
+document.documentElement.replaceWith(alt_doc.documentElement);
 
-// get domain from URL
-const domain = document.location.href.split("/")[2];
+const nodes = {};
+document.querySelectorAll('[id]').forEach(node => nodes[node.id] = node);
+
+function show_error() {
+    nodes.loading.classList.add("hide");
+    nodes.error.classList.remove("hide");
+}
+
+function show_title(text) {
+    nodes.title.innerText = text;
+    nodes.loading.classList.add("hide");
+    nodes.title.classList.remove("hide");
+}
 
 async function hack_file() {
-    loadingIcon.style.display = "initial";
+    nodes.loading.classList.remove("hide");
 
     const tokens_url = "/app-api/enduserapp/elements/tokens";
     const file_nr = postStreamData["/app-api/enduserapp/shared-item"].itemID;
@@ -140,7 +201,12 @@ async function hack_file() {
     const fields = [
 	"permissions", "shared_link", "sha1", "file_version", "name", "size",
 	"extension", "representations", "watermark_info",
-	"authenticated_download_url", "is_download_available"
+	"authenticated_download_url", "is_download_available",
+	"content_created_at", "content_modified_at", "created_at", "created_by",
+	"modified_at", "modified_by", "owned_by", "description",
+	"metadata.global.boxSkillsCards", "expires_at", "version_limit",
+	"version_number", "is_externally_owned", "restored_from",
+	"uploader_display_name"
     ];
 
     const file_info_url =
@@ -181,23 +247,13 @@ async function hack_file() {
 	  `${file_info.authenticated_download_url}?${params.toString()}`;
     console.log("download_url", download_url);
 
-    const downloadButton = document.createElement("a");
-    downloadButton.innerText = "download";
-    downloadButton.href = download_url;
-    downloadButton.setAttribute("style", "border-radius: 10px; padding: 20px; color: #333; background-color: lightgreen; text-decoration: none; box-shadow: -4px 8px 8px #888; display: inline-block;");
-
-    const file_info_header = document.createElement("h2");
-    file_info_header.innerText = "File info";
+    show_title(file_info.name);
 
-    divContainer.append(downloadButton, file_info_header,
-			JSON.stringify(file_info));
-
-    loadingIcon.style.display = "none";
-}
-
-function show_error() {
-    loadingIcon.style.display = "none";
-    error_msg.style.display = "initial";
+    nodes.download_button.href = download_url;
+    if (!file_info.permissions.can_download)
+	nodes.download_button.classList.add("unofficial");
+    nodes.file_info.innerText =  JSON.stringify(file_info);
+    nodes.single_file_section.classList.remove("hide");
 }
 
 if (postStreamData["/app-api/enduserapp/shared-item"].itemType == "file") {
@@ -207,39 +263,36 @@ if (postStreamData["/app-api/enduserapp/shared-item"].itemType == "file") {
      */
     hack_file().then(() => {}, show_error);
 } else if (postStreamData["/app-api/enduserapp/shared-item"].itemType == "folder") {
-	const folderHeader = document.createElement("h1");
-	folderHeader.innerText = postStreamData["/app-api/enduserapp/shared-folder"].currentFolderName;
-	divContainer.appendChild(folderHeader);
-	//console.log(postStreamData["/app-api/enduserapp/shared-folder"]);
-	postStreamData["/app-api/enduserapp/shared-folder"].items.forEach(function(element) {
-		console.log(element);
-		const folderButton = document.createElement("a");
-		folderButton.setAttribute("style", "border-radius: 10px; padding: 20px; color: #333; background-color: lightgreen; text-decoration: none; box-shadow: -4px 8px 8px #888; display: inline-block;"); // from https://api-demo.hachette-hydrilla.org/content/sgoogle_sheets_download/google_sheets_download.js
-		if (element.type == "file") {
-			folderButton.innerText = "loading...";
-			// craft request
-			var downloadLinkGet = new XMLHttpRequest();
-			downloadLinkGet.open("POST", "https://"+domain+"/index.php?rm=box_download_shared_file&shared_name="+postStreamData["/app-api/enduserapp/shared-item"].sharedName+"&file_id="+element.typedID);
-			downloadLinkGet.setRequestHeader("User-Agent", "Mozilla/5.0 (X11; Linux x86_64; rv:96.0) Gecko/20100101 Firefox/96.0"); // Would this be set automatically otherwise?
-			downloadLinkGet.setRequestHeader("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8");
-			downloadLinkGet.setRequestHeader("Accept-Language",  "en-US,en;q=0.5"); // TODO: find a test case in another language
-			downloadLinkGet.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
-			downloadLinkGet.setRequestHeader("Upgrade-Insecure-Requests", "1");
-			downloadLinkGet.onreadystatechange = function() {
-				if (downloadLinkGet.readyState === 4) {
-					//console.log(downloadLinkGet.status);
-					// configure download button and add it
-					folderButton.setAttribute("href", downloadLinkGet.responseURL);
-					folderButton.innerText = element.name; // show the name of the file
-				}
-			};
-			downloadLinkGet.send("request_token="+config.requestToken);
-		} else {
-			folderButton.innerText = "[folders inside folders not yet supported]";
-		}
-		divContainer.appendChild(folderButton);
-	})
+    show_title(postStreamData["/app-api/enduserapp/shared-folder"].currentFolderName);
+
+    // TODO: implement a download folder button (included in proprietary app)
+    /*
+      The original download folder button sends a GET request that gets 2 URLs
+      in the response. 1 of those URLs downloads the file, and a POST request
+      is sent after (or maybe while in some cases?) a file is downloaded, to
+      let the server know how much is downloaded.
+    */
+    // for each item in the folder, show a button with a link to download it
+    postStreamData["/app-api/enduserapp/shared-folder"].items.forEach(function(item) {
+	console.log("item", item);
+
+	const file_direct_url = "https://"+domain+"/index.php?rm=box_download_shared_file&shared_name="+postStreamData["/app-api/enduserapp/shared-item"].sharedName+"&file_id="+item.typedID;
+
+	const folderButton = nodes.download_button.cloneNode(false);
+	folderButton.removeAttribute("id");
+
+	if (item.type == "file") {
+	    folderButton.href = file_direct_url;
+	    folderButton.innerText = item.name; // show the name of the file
+	} else if (item.type == "folder") {
+	    folderButton.innerText = "[folders inside folders not yet supported]";
+	} else {
+	    folderButton.innerText = "[this item type is not supported]";
+	}
+
+	document.body.appendChild(folderButton);
+    });
 } else {
-	console.log("Error: not implemented");
-	// TODO: also display an error on the page
+	console.log('expected "folder" or "file" as the item type (postStreamData["/app-api/enduserapp/shared-item"].itemType) but got ' + postStreamData["/app-api/enduserapp/shared-item"].itemType + ' instead; this item type is not implemented');
+	show_error();
 }
diff --git a/content/sbox/index.json b/content/sbox/index.json
index cb12f1a..d794bb8 100644
--- a/content/sbox/index.json
+++ b/content/sbox/index.json
@@ -1,6 +1,6 @@
 {
 "type" : "script",
 "name" : "box-com-downloader",
-"sha256" : "1274d2a8416b79acca117d90a3473c7affbb7d19dedc9004fffeca2f82283512",
+"sha256" : "18d9d75f9a122c1cd3d92011699d0f292e97bf60b79169fa19fd240eb3043368",
 "location" : "box-fix.js"
 }
author	Wojtek Kosior <koszko@koszko.org>	2022-01-24 11:27:37 +0100
committer	Wojtek Kosior <koszko@koszko.org>	2022-01-24 11:45:04 +0100
commit	9ceab6826af54f343a1f09ed0f6b2010552f8a2d (patch)
tree	b359ba270a30d7830bd75fcd98bfbab8f3b9894f
parent	0567d00d3f9bcaae87113f5c7d256493d5f2e71a (diff)
download	hydrilla-fixes-bundle-9ceab6826af54f343a1f09ed0f6b2010552f8a2d.tar.gz hydrilla-fixes-bundle-9ceab6826af54f343a1f09ed0f6b2010552f8a2d.zip