Normalize redirect URI to fix OAuth invalid_grant (1.2.3)

TickTick's OAuth server requires byte-exact match between the redirect_uri the plugin sends and the value registered in the developer portal. Users who register the URI with a trailing slash (common on iOS paste, or by hand) get rejected with: error="invalid_grant" error_description="Invalid redirect: ...vercel.app does not match one of the registered values: [...vercel.app/]" (Reported in issue #2.) Normalize the redirect URI by stripping trailing slashes and whitespace at all four use/save sites: - main.ts: startAuthFlow() and exchangeAuthCodeForToken() clean the URI before sending — protects existing users with a slash already saved - settings.ts: both Redirect URI inputs strip on save so the persisted value matches what's displayed - settings.ts: both descriptions now warn against trailing slashes - README: new Troubleshooting entry for the invalid_grant error https://claude.ai/code/session_01V2fsiatACzjUCNwSEhwER9
Strip Markdown from TickTick task titles (1.2.2)
2026-07-22 05:43:55 +00:00 · 2026-06-05 16:16:26 +00:00 · 2026-06-04 20:48:21 +00:00 · 2026-06-04 20:30:07 +00:00 · 2026-05-11 14:18:11 +00:00
9 changed files with 68 additions and 471 deletions
--- a/README.md
+++ b/README.md
@ -1,4 +1,4 @@
-# TickTick Quick Add for Obsidian
+# TickTick Quick Add Task

 Send the line or paragraph at your cursor straight to TickTick as a new task — with a one-tap link back to the exact spot in your note. Works on desktop and on mobile (iOS and Android).

@ -14,15 +14,20 @@ When you trigger the command, the plugin:

 ## Installation

-### Mobile (recommended path: BRAT)
+### Recommended (mobile or desktop)

-The easiest way to install on iOS or Android is via [BRAT](https://github.com/TfTHacker/obsidian42-brat), which sideloads plugins from GitHub.
+Install directly from Obsidian's Community Plugins directory:

-1. In Obsidian: Settings → Community plugins → turn off **Restricted Mode** if it's on → Browse → install and enable **Obsidian42 - BRAT**.
+1. Settings → Community plugins → turn off **Restricted Mode** if it's on.
+2. Browse → search "TickTick Quick Add Task" → Install → Enable.
+
+### Beta / pre-release via BRAT
+
+If you want a version newer than what's in the Community Plugins directory, use [BRAT](https://github.com/TfTHacker/obsidian42-brat) to sideload it from GitHub:
+
+1. Install **Obsidian42 - BRAT** from Community plugins.
 2. Settings → BRAT → "Add beta plugin" → paste: `heymoosh/ticktick-quick-add-obsidian`.
-3. BRAT downloads the plugin. Go back to Community plugins and enable **TickTick Quick Add Task**.
-
-> Note: BRAT pulls from the latest GitHub release. If no release exists yet, ask the maintainer to publish one, or use the manual path below.
+3. Go back to Community plugins and enable **TickTick Quick Add Task**.

 ### Mobile (manual)

@ -36,9 +41,9 @@ The easiest way to install on iOS or Android is via [BRAT](https://github.com/Tf

 > Why not just create `.obsidian` on iOS? iOS's Files app refuses to create folders whose names start with a dot. The folder already exists if Obsidian has ever opened the vault — but it's hidden from iOS Files. The desktop path above sidesteps this.

-### Desktop (manual)
+### Desktop (manual / for developers)

-Either install via BRAT (steps above), or:
+If you want to build from source instead of using the directory:

 1. Clone the repo and build:
   ```bash
@ -109,6 +114,7 @@ After triggering, you'll see a notice confirming the task was created.

 - **"TickTick auth failed: state mismatch"** — the OAuth flow expired or was started in a different session. Tap Connect again and complete the flow without delays.
 - **"Failed to obtain access token"** — most often a bad Client ID or Secret, or the Redirect URI you set in the TickTick developer portal doesn't exactly match the one in the plugin. Copy/paste both rather than typing.
+- **`"invalid_grant"` / `"Invalid redirect: ... does not match one of the registered values"`** — the URI registered in the TickTick Developer Portal isn't byte-equal to the one the plugin sends. The most common cause is a trailing `/` in the portal entry. Edit your TickTick app and remove any trailing slash so it matches the plugin's Redirect URI field exactly.
 - **The Connect popup link does nothing** — make sure your default browser is set and you've allowed Obsidian to open external links. Try long-pressing the link to copy it, then paste into Safari/Chrome.
 - **Callback page shows the code as text instead of returning to Obsidian** — that's the manual-fallback case. Paste the code into the "Authorization code" field; the plugin will exchange it for a token. (This happens if the callback page hasn't been deployed with the deep-link redirect.)
 - **The "Open in Obsidian" link in TickTick does nothing** — confirm the Advanced URI plugin is installed and enabled in the same vault.
--- a/main.js
+++ b/main.js
--- a/main.ts
+++ b/main.ts
@ -37,15 +37,31 @@ function getParagraph(editor: Editor, currentLine: number): { text: string, star
    return { text: paragraphText.trim(), start, end };
 }

-// Helper function to base64url-encode an ArrayBuffer
-function base64UrlEncode(buffer: ArrayBuffer): string {
-    const bytes = new Uint8Array(buffer);
-    let binary = '';
-    bytes.forEach(b => (binary += String.fromCharCode(b)));
-    return btoa(binary)
-        .replace(/\+/g, '-')
-        .replace(/\//g, '_')
-        .replace(/=+$/, '');
+// Strip Markdown formatting so the TickTick task title is plain text.
+// Removes leading list/checkbox/heading/quote markers and inline emphasis,
+// keeping the inner text. Leaves single underscores alone to preserve
+// snake_case identifiers.
+function stripMarkdown(text: string): string {
+    return text
+        // Images: ![alt](url) -> alt
+        .replace(/!\[([^\]]*)\]\([^)]*\)/g, '$1')
+        // Markdown links: [text](url) -> text
+        .replace(/\[([^\]]+)\]\([^)]*\)/g, '$1')
+        // Wiki links: [[page|alias]] -> alias, [[page]] -> page
+        .replace(/\[\[([^\]|]+)\|([^\]]+)\]\]/g, '$2')
+        .replace(/\[\[([^\]]+)\]\]/g, '$1')
+        // Leading blockquote / heading / list / checkbox / ordered-list markers
+        .replace(/^\s*(?:>\s*|#{1,6}\s+|[-*+]\s+\[[ xX]\]\s+|[-*+]\s+|\d+\.\s+)+/, '')
+        // Bold/italic via underscores: only strip matched pairs, so
+        // snake_case identifiers are left intact.
+        .replace(/__([^_]+)__/g, '$1')
+        // Asterisk emphasis, highlight, strikethrough, inline code:
+        // remove the markers whether or not they're balanced (a dangling
+        // "**" at the start of a line should still be stripped).
+        .replace(/\*\*?|~~|==|`/g, '')
+        // Collapse remaining whitespace/newlines
+        .replace(/\s+/g, ' ')
+        .trim();
 }

 // Helper function to generate PKCE codes: codeVerifier and corresponding codeChallenge
@ -188,7 +204,8 @@ export default class TickTickPlugin extends Plugin {
        const filePath = view.file.path;
        const advancedUri = `obsidian://advanced-uri?vault=${encodeURIComponent(vaultName)}&filepath=${encodeURIComponent(filePath)}&block=${encodeURIComponent(blockId)}`;
        const taskDescription = `${taskText}\n\n[Open in Obsidian](${advancedUri})`;
-        const taskTitle = taskText.length > 50 ? taskText.substring(0, 50) + "..." : taskText;
+        const cleanTitle = stripMarkdown(taskText);
+        const taskTitle = cleanTitle.length > 50 ? cleanTitle.substring(0, 50) + "..." : cleanTitle;

        await this.ensureFreshToken();

@ -219,7 +236,7 @@ export default class TickTickPlugin extends Plugin {
            new Notice('Please enter your Client ID in the settings.');
            return;
        }
-        const redirectUri = this.settings.redirectUri || 'https://ticktick-quick-add-obsidian-6yawfmvnj-mooshs-projects-0635287d.vercel.app';
+        const redirectUri = (this.settings.redirectUri || 'https://ticktick-quick-add-obsidian-6yawfmvnj-mooshs-projects-0635287d.vercel.app').trim().replace(/\/+$/, '');
        const scope = encodeURIComponent('tasks:read tasks:write');
        const { codeVerifier, codeChallenge } = await generatePKCECodes();
        const state = generateRandomString(32);
@ -236,7 +253,7 @@ export default class TickTickPlugin extends Plugin {
     */
    async exchangeAuthCodeForToken(code: string): Promise<void> {
        const tokenEndpoint = 'https://ticktick.com/oauth/token';
-        const redirectUri = this.settings.redirectUri || 'https://ticktick-quick-add-obsidian-6yawfmvnj-mooshs-projects-0635287d.vercel.app';
+        const redirectUri = (this.settings.redirectUri || 'https://ticktick-quick-add-obsidian-6yawfmvnj-mooshs-projects-0635287d.vercel.app').trim().replace(/\/+$/, '');
        const clientId = this.settings.clientId;
        const clientSecret = this.settings.clientSecret;
        const codeVerifier = this.settings.tempCodeVerifier;
--- a/manifest.json
+++ b/manifest.json
@ -1,11 +1,10 @@
 {
  "id": "ticktick-quickadd-task",
  "name": "TickTick Quick Add Task",
-  "version": "1.2.0",
+  "version": "1.2.3",
  "minAppVersion": "1.4.0",
-  "description": "Create TickTick tasks from text blocks with automatic Obsidian URI links. Requires Advanced URI plugin.",
+  "description": "Create TickTick tasks from text at your cursor with automatic deep links back to your notes. Requires the Advanced URI plugin.",
  "author": "Muxin Li",
  "authorUrl": "https://github.com/heymoosh",
-  "isDesktopOnly": false,
-  "main": "main.js"
-}
+  "isDesktopOnly": false
+}
--- a/package-lock.json
+++ b/package-lock.json
@ -1,16 +1,13 @@
 {
-	"name": "obsidian-sample-plugin",
-	"version": "1.1.0",
+	"name": "ticktick-quickadd-task",
+	"version": "1.2.1",
 	"lockfileVersion": 3,
 	"requires": true,
 	"packages": {
 		"": {
-			"name": "obsidian-sample-plugin",
-			"version": "1.1.0",
+			"name": "ticktick-quickadd-task",
+			"version": "1.2.1",
 			"license": "MIT",
-			"dependencies": {
-				"express": "^4.21.2"
-			},
 			"devDependencies": {
 				"@types/node": "^16.11.6",
 				"@typescript-eslint/eslint-plugin": "5.29.0",
@ -46,278 +43,6 @@
 				"w3c-keyname": "^2.2.4"
 			}
 		},
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-				"ppc64"
-			],
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-			"license": "MIT",
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-			],
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-			}
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-			"cpu": [
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-			"dev": true,
-			"license": "MIT",
-			"optional": true,
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-			"engines": {
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 		"node_modules/@esbuild/linux-x64": {
 			"version": "0.25.4",
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@ -335,142 +60,6 @@
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-				"netbsd"
-			],
-			"engines": {
-				"node": ">=18"
-			}
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-		"node_modules/@esbuild/netbsd-x64": {
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-		"node_modules/@esbuild/openbsd-arm64": {
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-			"dev": true,
-			"license": "MIT",
-			"optional": true,
-			"os": [
-				"openbsd"
-			],
-			"engines": {
-				"node": ">=18"
-			}
-		},
-		"node_modules/@esbuild/openbsd-x64": {
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-				"openbsd"
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-			}
-		},
-		"node_modules/@esbuild/sunos-x64": {
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-			"optional": true,
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-				"sunos"
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-				"node": ">=18"
-			}
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-		"node_modules/@esbuild/win32-arm64": {
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-				"win32"
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-			}
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-		"node_modules/@esbuild/win32-ia32": {
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-				"win32"
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-			"engines": {
-				"node": ">=18"
-			}
-		},
-		"node_modules/@esbuild/win32-x64": {
-			"version": "0.25.4",
-			"resolved": "https://registry.npmjs.org/@esbuild/win32-x64/-/win32-x64-0.25.4.tgz",
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-			"cpu": [
-				"x64"
-			],
-			"dev": true,
-			"license": "MIT",
-			"optional": true,
-			"os": [
-				"win32"
-			],
-			"engines": {
-				"node": ">=18"
-			}
-		},
 		"node_modules/@eslint-community/eslint-utils": {
 			"version": "4.5.1",
 			"resolved": "https://registry.npmjs.org/@eslint-community/eslint-utils/-/eslint-utils-4.5.1.tgz",
--- a/package.json
+++ b/package.json
@ -1,7 +1,7 @@
 {
-	"name": "obsidian-sample-plugin",
-	"version": "1.2.0",
-	"description": "This is a sample plugin for Obsidian (https://obsidian.md)",
+	"name": "ticktick-quickadd-task",
+	"version": "1.2.3",
+	"description": "Create TickTick tasks from text at your cursor with automatic deep links back to your notes. Requires the Advanced URI plugin.",
 	"main": "main.js",
 	"scripts": {
 		"dev": "node esbuild.config.mjs",
@ -9,7 +9,7 @@
 		"version": "node version-bump.mjs && git add manifest.json versions.json"
 	},
 	"keywords": [],
-	"author": "",
+	"author": "Muxin Li",
 	"license": "MIT",
 	"devDependencies": {
 		"@types/node": "^16.11.6",
@ -20,8 +20,5 @@
 		"obsidian": "latest",
 		"tslib": "2.4.0",
 		"typescript": "4.7.4"
-	},
-	"dependencies": {
-		"express": "^4.21.2"
 	}
 }
--- a/server.js
+++ b/server.js
@ -1,15 +0,0 @@
-const express = require('express');
-const app = express();
-const port = 3000;
-
-app.get('/callback', (req, res) => {
-  const { code, state } = req.query;
-  // Here, you can just display the code and state
-  res.send(`Authorization code received: ${code}<br>State: ${state}<br><br>Copy this code into Obsidian!`);
-  console.log('Received code:', code);
-  console.log('Received state:', state);
-});
-
-app.listen(port, () => {
-  console.log(`Server listening at http://127.0.0.1:${port}`);
-});
--- a/settings.ts
+++ b/settings.ts
@ -89,13 +89,13 @@ export class TickTickSettingTab extends PluginSettingTab {

        new Setting(containerEl)
            .setName('Redirect URI')
-            .setDesc('Copy this exact value into your TickTick app\'s Redirect URI field in the developer portal. Only change it here if you self-host the callback page.')
+            .setDesc('Copy this exact value into your TickTick app\'s Redirect URI field in the developer portal. Do not add a trailing slash — the URIs must match exactly. Only change it here if you self-host the callback page.')
            .addText(text =>
                text
                    .setPlaceholder(DEFAULT_SETTINGS.redirectUri!)
                    .setValue(this.plugin.settings.redirectUri || '')
                    .onChange(async (value) => {
-                        this.plugin.settings.redirectUri = value.trim();
+                        this.plugin.settings.redirectUri = value.trim().replace(/\/+$/, '');
                        await this.plugin.saveSettings();
                    })
            );
@ -241,11 +241,12 @@ export class TickTickSettingTab extends PluginSettingTab {

        new Setting(details)
            .setName('Redirect URI')
+            .setDesc('Must match the value registered in your TickTick app exactly, with no trailing slash.')
            .addText(text =>
                text
                    .setValue(this.plugin.settings.redirectUri || '')
                    .onChange(async (value) => {
-                        this.plugin.settings.redirectUri = value.trim();
+                        this.plugin.settings.redirectUri = value.trim().replace(/\/+$/, '');
                        await this.plugin.saveSettings();
                    })
            );
--- a/versions.json
+++ b/versions.json
@ -1,5 +1,8 @@
 {
 	"1.0.0": "0.15.0",
 	"1.1.0": "1.4.0",
-	"1.2.0": "1.4.0"
+	"1.2.0": "1.4.0",
+	"1.2.1": "1.4.0",
+	"1.2.2": "1.4.0",
+	"1.2.3": "1.4.0"
 }
Author	SHA1	Message	Date
Claude	0c25564337	Normalize redirect URI to fix OAuth invalid_grant (1.2.3) TickTick's OAuth server requires byte-exact match between the redirect_uri the plugin sends and the value registered in the developer portal. Users who register the URI with a trailing slash (common on iOS paste, or by hand) get rejected with: error="invalid_grant" error_description="Invalid redirect: ...vercel.app does not match one of the registered values: [...vercel.app/]" (Reported in issue #2.) Normalize the redirect URI by stripping trailing slashes and whitespace at all four use/save sites: - main.ts: startAuthFlow() and exchangeAuthCodeForToken() clean the URI before sending — protects existing users with a slash already saved - settings.ts: both Redirect URI inputs strip on save so the persisted value matches what's displayed - settings.ts: both descriptions now warn against trailing slashes - README: new Troubleshooting entry for the invalid_grant error https://claude.ai/code/session_01V2fsiatACzjUCNwSEhwER9	2026-06-05 16:16:26 +00:00
Claude	c036f5ab67	Strip Markdown from TickTick task titles (1.2.2) The task title was built verbatim from the source line, so list/checkbox markers (- [ ]), bold/italic, links, headings, etc. leaked into TickTick. Add a stripMarkdown() helper that cleans the title to plain text before truncation: - Removes leading list/checkbox/heading/blockquote/ordered markers - Unwraps links and wiki links to their text - Strips asterisk emphasis, ~~strike~~, ==highlight==, `code` (matched or dangling, e.g. a leading ** with no closing pair) - Leaves single/snake_case underscores intact The task description still includes the original text and the Open in Obsidian link unchanged. https://claude.ai/code/session_01V2fsiatACzjUCNwSEhwER9	2026-06-04 20:48:21 +00:00
Claude	0f98a56552	Release 1.2.1: address Obsidian directory review warnings - manifest: drop "Obsidian" from description (directory rule), remove unknown `main` field, bump to 1.2.1 - README: title now matches plugin name in manifest - Remove unused base64UrlEncode helper - Remove dead express dependency and server.js (clears qs / path-to-regexp vulnerability warnings) - package.json: real name + author + description, drop sample-plugin template metadata - versions.json: add 1.2.1 → 1.4.0 https://claude.ai/code/session_01V2fsiatACzjUCNwSEhwER9	2026-06-04 20:30:07 +00:00
Claude	94953521fc	Lead with Community Plugins directory in README install section Position BRAT as a beta/pre-release fallback rather than the primary mobile path, now that the plugin is available in the directory.	2026-05-11 14:18:11 +00:00