feat: enable TikTok content posting with PKCE and video.publish scope

Author: BillLeoutsakosvl346

apps/sim/blocks/blocks/tiktok.ts

@@ -126,7 +126,7 @@ export const TikTokBlock: BlockConfig<TikTokResponse> = {
         { label: 'Followers', id: 'FOLLOWER_OF_CREATOR' },
         { label: 'Only Me', id: 'SELF_ONLY' },
       ],
-      value: () => 'PUBLIC_TO_EVERYONE',
+      value: () => 'SELF_ONLY',
       condition: {
         field: 'operation',
         value: 'direct_post_video',

apps/sim/lib/auth/auth.ts

@@ -2505,12 +2505,13 @@ export const auth = betterAuth({
           clientSecret: env.TIKTOK_CLIENT_SECRET as string,
           authorizationUrl: 'https://www.tiktok.com/v2/auth/authorize/',
           tokenUrl: `${getBaseUrl()}/api/auth/tiktok-token-proxy`,
-          scopes: ['user.info.basic', 'user.info.profile', 'user.info.stats', 'video.list'],
+          scopes: ['user.info.basic', 'user.info.profile', 'user.info.stats', 'video.list', 'video.publish'],
           responseType: 'code',
+          pkce: true,
           redirectURI: `${getBaseUrl()}/api/auth/oauth2/callback/tiktok`,
           authorizationUrlParams: {
             client_key: env.TIKTOK_CLIENT_KEY as string,
-            scope: 'user.info.basic,user.info.profile,user.info.stats,video.list',
+            scope: 'user.info.basic,user.info.profile,user.info.stats,video.list,video.publish',
           },
           getUserInfo: async (tokens) => {
             const response = await fetch(

apps/sim/lib/oauth/oauth.ts

@@ -812,6 +812,7 @@ export const OAUTH_PROVIDERS: Record<string, OAuthProviderConfig> = {
           'user.info.profile',
           'user.info.stats',
           'video.list',
+          'video.publish',
         ],
       },
     },

apps/sim/tools/tiktok/direct_post_video.ts

@@ -88,13 +88,13 @@ export const tiktokDirectPostVideoTool: ToolConfig<
         postInfo.title = params.title
       }
       if (params.disableDuet !== undefined) {
-        postInfo.disable_duet = params.disableDuet
+        postInfo.disable_duet = params.disableDuet === true || params.disableDuet === 'true'
       }
       if (params.disableStitch !== undefined) {
-        postInfo.disable_stitch = params.disableStitch
+        postInfo.disable_stitch = params.disableStitch === true || params.disableStitch === 'true'
       }
       if (params.disableComment !== undefined) {
-        postInfo.disable_comment = params.disableComment
+        postInfo.disable_comment = params.disableComment === true || params.disableComment === 'true'
       }
       if (params.videoCoverTimestampMs !== undefined) {
         postInfo.video_cover_timestamp_ms = params.videoCoverTimestampMs