{ "edges": [], "nodes": [ { "id": "cd1dba71-345b-45ae-8110-4fb57291f363", "name": "Extract from File", "type": "passthrough", "params": { "mode": "noOp", "options": {}, "operation": "binaryToPropery" }, "position": [ 260, 180 ] }, { "id": "7973b64e-ae92-44c9-aa8e-002c32c25def", "name": "Convert to File", "type": "passthrough", "params": { "mode": "noOp", "options": {}, "operation": "toBinary", "sourceProperty": "data" }, "position": [ 920, 80 ] }, { "id": "5fe13d4e-566b-459f-8830-f16829a34284", "name": "Analyze Image Content", "type": "passthrough", "params": { "mode": "noOp", "text": "=Deliver a comma seperated list describing the content of this image.", "modelId": { "__rl": true, "mode": "list", "value": "chatgpt-4o-latest", "cachedResultName": "CHATGPT-4O-LATEST" }, "options": {}, "resource": "image", "inputType": "base64", "operation": "analyze" }, "position": [ 260, -40 ] }, { "id": "876db6b5-6615-4e9d-8e1a-2d8220b2019f", "name": "Download Image File", "type": "integration", "params": { "fileId": { "__rl": true, "mode": "id", "value": "={{ $json.id }}" }, "options": {}, "service": "googleDrive", "operation": "download" }, "position": [ -20, 60 ] }, { "id": "47b32ddb-1929-4855-9131-078b562b3492", "name": "Trigger: New file added to Google Drive Folder", "type": "trigger", "params": { "kind": "n8n-nodes-base.googleDriveTrigger", "event": "fileCreated", "options": {}, "pollTimes": { "item": [ { "mode": "everyMinute" } ] }, "triggerOn": "specificFolder", "folderToWatch": { "__rl": true, "mode": "list", "value": "1WaIRWXcaeNViKmpW5IyQ3YGARWYdMg47", "cachedResultUrl": "{{ $env.WEBHOOK_URL }}", "cachedResultName": "EXIF" } }, "position": [ -220, 60 ] }, { "id": "85c6458a-7b2a-4eef-bf28-3b784e45f562", "name": "Write Metadata to Base64 Code", "type": "code", "params": { "jsCode": "const tags = items[0].json.content.split(', ');\n\nconst xmpData = `\n\n \n \n \n \n \n ${tags.map(tag => `${tag}`).join('\\n ')}\n \n \n ${new Date().toISOString()}\n \n \n\n`;\n\nconst xmpHeader = Buffer.from([\n 0xFF, 0xE1,\n 0x00, 0x00,\n 0x68, 0x74, 0x74, 0x70, 0x3A, 0x2F, 0x2F, 0x6E, 0x73, 0x2E,\n 0x61, 0x64, 0x6F, 0x62, 0x65, 0x2E, 0x63, 0x6F, 0x6D, 0x2F,\n 0x78, 0x61, 0x70, 0x2F, 0x31, 0x2E, 0x30, 0x2F, 0x00\n]);\n\nconst xmpBuffer = Buffer.from(xmpData, 'utf8');\nconst imageBuffer = Buffer.from(items[0].json.data, 'base64');\nconst length = xmpHeader.length + xmpBuffer.length - 2;\nxmpHeader[2] = (length >> 8) & 0xFF;\nxmpHeader[3] = length & 0xFF;\n\nconst newImageData = Buffer.concat([\n imageBuffer.slice(0, 2),\n xmpHeader,\n xmpBuffer,\n imageBuffer.slice(2)\n]);\n\nitems[0].json.data = newImageData.toString('base64');\n\nreturn items;" }, "position": [ 720, 80 ] }, { "id": "1b86cadf-9f46-4980-a923-00577bfc59f4", "name": "Update Image File", "type": "integration", "params": { "fileId": { "__rl": true, "mode": "id", "value": "={{ $('Download Image File').item.json.id }}" }, "options": {}, "service": "googleDrive", "operation": "update", "changeFileContent": true, "newUpdatedFileName": "={{ $('Download Image File').item.json.name }}" }, "position": [ 1120, 80 ] }, { "id": "d2bb1007-018d-4c6a-a458-ff8e79b6017c", "name": "Merge Metadata and Base64 Code", "type": "merge", "params": { "mode": "combine", "options": {}, "combineBy": "combineByPosition" }, "position": [ 520, 80 ] }, { "id": "error-c5f36a44", "name": "Error Handler", "type": "passthrough", "params": { "mode": "noOp", "message": "Workflow execution error", "options": {} }, "position": [ 1000, 400 ] } ] }

Automated Image Metadata Tagging for Google Drive