CapSolver और n8n का उपयोग करके ImageToText समस्या को कैसे हल करें

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      "parameters": {
        "jsCode": "const body = $input.first().json.body;\n\nif (!body || !body.body) {\n  return [{ json: { error: 'Missing required field: body (base64 encoded image)' } }];\n}\n\nlet imageBase64 = String(body.body);\n\n// Strip data: prefix if accidentally included\nimageBase64 = imageBase64.replace(/^data:image\\/\\w+;base64,/, '');\n\n// Remove newlines and whitespace\nimageBase64 = imageBase64.replace(/[\\n\\r\\s]/g, '');\n\n// Basic base64 validation\nif (!/^[A-Za-z0-9+/]+=*$/.test(imageBase64)) {\n  return [{ json: { error: 'Invalid base64 encoding in body field' } }];\n}\n\nreturn [{\n  json: {\n    body: imageBase64,\n    module: body.module || 'common'\n  }\n}];"
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      "id": "fa-102",
      "name": "Validate Image Input"
    },
    {
      "parameters": {
        "resource": "Recognition",
        "module": "={{ $json.module }}",
        "body": "={{ $json.body }}",
        "optional": {}
      },
      "type": "n8n-nodes-capsolver.capSolver",
      "typeVersion": 1,
      "position": [
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      ],
      "id": "fa-103",
      "name": "Solve Image Captcha",
      "credentials": {
        "capSolverApi": {
          "id": "BeBFMAsySMsMGeE9",
          "name": "CapSolver account"
        }
      },
      "onError": "continueRegularOutput"
    },
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            "caseSensitive": false,
            "leftValue": "",
            "typeValidation": "strict",
            "version": 2
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          "conditions": [
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              "leftValue": "={{ $json.error }}",
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      "id": "fa-104",
      "name": "Image Captcha Error?"
    },
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      "parameters": {
        "respondWith": "json",
        "responseBody": "={{ JSON.stringify($json.data) }}",
        "options": {}
      },
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      "typeVersion": 1.5,
      "position": [
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      "name": "Respond to Webhook"
    },
    {
      "parameters": {
        "respondWith": "json",
        "responseBody": "={{ JSON.stringify({ error: $json.error }) }}",
        "options": {}
      },
      "type": "n8n-nodes-base.respondToWebhook",
      "typeVersion": 1.5,
      "position": [
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      ],
      "id": "fa-106",
      "name": "Respond to Webhook Error"
    }
  ],
  "connections": {
    "Receive Solver Request": {
      "main": [
        [
          {
            "node": "Validate Image Input",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Validate Image Input": {
      "main": [
        [
          {
            "node": "Solve Image Captcha",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Solve Image Captcha": {
      "main": [
        [
          {
            "node": "Image Captcha Error?",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Image Captcha Error?": {
      "main": [
        [
          {
            "node": "Respond to Webhook Error",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Respond to Webhook",
            "type": "main",
            "index": 0
          }
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      ]
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  },
  "pinData": {},
  "meta": {
    "instanceId": "962ff0267b713be0344b866fa54daae28de8ed2144e2e6867da355dae193ea1f"
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        "content": "## फ़ॉर्म ऑटोमेशन — इमेज कैप्चा हल करें और सबमिट करें\n\n### यह कैसे काम करता है\n\n1. हर 6 घंटे में या वेबहुक के माध्यम से फ़ॉर्म ऑटोमेशन शुरू करता है।\n2. कैप्चा इमेज को पुनः प्राप्त करता है और हल करने के लिए Base64 में परिवर्तित करता है।\n3. एक सॉल्वर सेवा का उपयोग करके कैप्चा को हल करता है।\n4. समाधान के साथ फ़ॉर्म सबमिट करता है और परिणाम की जांच करता है।\n5. सबमिशन को सफलता या विफलता के रूप में चिह्नित करता है और उचित रूप से जवाब देता है।\n6. वेबहुक ट्रिगर का उपयोग करते समय वेबहुक को प्रतिक्रिया प्रदान करता है।\n\n### सेटअप चरण\n\n- [ ] 'हर 6 घंटे' में उचित क्रॉन पैटर्न के साथ शेड्यूलिंग सेट करें।\n- [ ] 'वेबहुक ट्रिगर' में वेबहुक एंडपॉइंट कॉन्फ़िगर करें।\n- [ ] 'लक्ष्य कॉन्फ़िग सेट करें' और 'लक्ष्य कॉन्फ़िग सेट करें [वेबहुक]' में URL और फ़ील्ड नाम सेट करें।\n- [ ] 'इमेज कैप्चा हल करें' और 'इमेज कैप्चा हल करें [वेबहुक]' में बाहरी कैप्चा सॉल्विंग सेवा कॉन्फ़िगर करें।\n- [ ] सुनिश्चित करें कि 'समाधान के साथ फ़ॉर्म सबमिट करें' और 'समाधान के साथ फ़ॉर्म सबमिट करें [वेबहुक]' में फ़ॉर्म सही ढंग से सबमिट होता है।\n",
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      "id": "9d0cbf33-48a7-479e-a214-b74428b8d649",
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    {
      "parameters": {
        "content": "## निर्धारित ट्रिगर सेटअप\n\nहर 6 घंटे में वर्कफ़्लो शुरू करता है।",
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    {
      "parameters": {
        "content": "## कैप्चा इमेज प्राप्त करें\n\nनिर्धारित ट्रिगर के लिए कॉन्फ़िगरेशन सेट करता है और कैप्चा इमेज को पुनः प्राप्त करता है।",
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      "id": "d95b86f5-1f09-4fe5-a76f-47ab77aaa569",
      "name": "Sticky Note2"
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    {
      "parameters": {
        "content": "## कैप्चा को संसाधित और हल करें\n\nकैप्चा इमेज को Base64 में परिवर्तित करता है और इसे हल करता है।",
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      "id": "84169773-de21-4ae5-9e5b-146067c1da53",
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      "parameters": {
        "content": "## फ़ॉर्म सबमिट करें और परिणाम जांचें\n\nकैप्चा समाधान के साथ फ़ॉर्म सबमिट करता है और सबमिशन परिणाम की जांच करता है।",
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      "id": "223d89bf-0d07-4673-b57a-39468f219885",
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    {
      "parameters": {
        "content": "## सबमिशन परिणाम को संभालें\n\nपरिणाम के आधार पर सबमिशन को सफलता या विफलता के रूप में चिह्नित करता है।",
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      "name": "Sticky Note5"
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      "parameters": {
        "content": "## वेबहुक ट्रिगर सेटअप\n\nवेबहुक कॉल पर वर्कफ़्लो शुरू करता है।",
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      "name": "Sticky Note6"
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      "parameters": {
        "content": "## वेबहुक इमेज प्रोसेसिंग\n\nवेबहुक ट्रिगर के लिए कैप्चा को प्राप्त करता है, संसाधित करता है और हल करता है।",
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      "name": "Sticky Note7"
    },
    {
      "parameters": {
        "content": "## वेबहुक फ़ॉर्म सबमिट करें\n\nवेबहुक ट्रिगर के लिए फ़ॉर्म सबमिट करता है और परिणाम की जांच करता है।",
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        "height": 272,
        "color": 7
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      "id": "8ccf3071-0112-4972-9011-cd38816fb8f1",
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      "parameters": {
        "content": "## वेबहुक सबमिशन परिणाम\n\nसबमिशन परिणाम को संभालता है और वेबहुक कॉल का जवाब देता है।",
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        "color": 7
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      ],
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      "name": "Sticky Note9"
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    {
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "hours",
              "hoursInterval": 6
            }
          ]
        }
      },
      "type": "n8n-nodes-base.scheduleTrigger",
      "typeVersion": 1.3,
      "position": [
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      ],
      "id": "fa-201",
      "name": "Every 6 Hours"
    },
    {
      "parameters": {
        "assignments": {
          "assignments": [
            {
              "id": "cfg-001",
              "name": "captchaImageURL",
              "value": "https://YOUR-TARGET-SITE.com/captcha.png",
              "type": "string"
            },
            {
              "id": "cfg-002",
              "name": "formActionURL",
              "value": "https://YOUR-TARGET-SITE.com/submit",
              "type": "string"
            },
            {
              "id": "cfg-003",
              "name": "captchaFieldName",
              "value": "captcha",
              "type": "string"
            },
            {
              "id": "cfg-004",
              "name": "module",
              "value": "common",
              "type": "string"
            },
            {
              "id": "cfg-005",
              "name": "userAgent",
              "value": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36",
              "type": "string"
            }
          ]
        },
        "options": {}
      },
      "type": "n8n-nodes-base.set",
      "typeVersion": 3.4,
      "position": [
        -96,
        0
      ],
      "id": "fa-202",
      "name": "Set Target Config"
    },
    {
      "parameters": {
        "url": "={{ $json.captchaImageURL }}",
        "sendHeaders": true,
        "headerParameters": {
          "parameters": [
            {
              "name": "user-agent",
              "value": "={{ $json.userAgent }}"
            }
          ]
        },
        "options": {
          "response": {
            "response": {
              "responseFormat": "file"
            }
          }
        }
      },
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.3,
      "position": [
        208,
        0
      ],
      "id": "fa-203",
      "name": "Fetch Captcha Image"
    },
    {
      "parameters": {
        "jsCode": "const binaryData = $input.first().binary.data;\nconst base64String = binaryData.data;\nconst cleanBase64 = base64String.replace(/^data:image\\/\\w+;base64,/, '');\nconst finalBase64 = cleanBase64.replace(/\\n/g, '');\nconst config = $('Set Target Config').first().json;\nreturn [{ json: { body: finalBase64, module: config.module || 'common', captchaFieldName: config.captchaFieldName, formActionURL: config.formActionURL, userAgent: config.userAgent } }];"
      },
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        512,
        0
      ],
      "id": "fa-204",
      "name": "Convert to Base64"
    },
    {
      "parameters": {
        "resource": "Recognition",
        "module": "={{ $json.module }}",
        "body": "={{ $json.body }}",
        "optional": {}
      },
      "type": "n8n-nodes-capsolver.capSolver",
      "typeVersion": 1,
      "position": [
        944,
        0
      ],
      "id": "fa-205",
      "name": "Solve Image Captcha",
      "credentials": {
        "capSolverApi": {
          "id": "BeBFMAsySMsMGeE9",
          "name": "CapSolver account"
        }
      },
      "onError": "continueRegularOutput"
    },
    {
      "parameters": {
        "method": "POST",
        "url": "={{ $('Set Target Config').first().json.formActionURL }}",
        "sendHeaders": true,
        "headerParameters": {
          "parameters": [
            {
              "name": "content-type",
              "value": "application/x-www-form-urlencoded"
            },
            {
              "name": "user-agent",
              "value": "={{ $('Set Target Config').first().json.userAgent }}"
            }
          ]
        },
        "sendBody": true,
        "contentType": "form-urlencoded",
        "bodyParameters": {
          "parameters": [
            {
              "name": "username",
              "value": "YOUR_USERNAME"
            },
            {
              "name": "password",
              "value": "YOUR_PASSWORD"
            },
            {
              "name": "={{ $('Set Target Config').first().json.captchaFieldName }}",
              "value": "={{ $json.data.solution.text }}"
            }
          ]
        },
        "options": {
          "response": {
            "response": {
              "fullResponse": true,
              "neverError": true
            }
          }
        }
      },
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.3,
      "position": [
        1248,
        0
      ],
      "id": "fa-206",
      "name": "Submit Form with Solution"
    },
    {
      "parameters": {
        "conditions": {
          "options": {
            "caseSensitive": false,
            "leftValue": "",
            "typeValidation": "strict",
            "version": 2
          },
          "conditions": [
            {
              "id": "fa-if-001",
              "leftValue": "={{ $json.statusCode }}",
              "rightValue": 400,
              "operator": {
                "type": "number",
                "operation": "lt"
              }
            }
          ],
          "combinator": "and"
        },
        "options": {}
      },
      "type": "n8n-nodes-base.if",
      "typeVersion": 2.2,
      "position": [
        1552,
        0
      ],
      "id": "fa-207",
      "name": "Check Submission Result"
    },
    {
      "parameters": {
        "assignments": {
          "assignments": [
            {
              "id": "ms-001",
              "name": "action",
              "value": "form_submission",
              "type": "string"
            },
            {
              "id": "ms-002",
              "name": "status",
              "value": "success",
              "type": "string"
            },
            {
              "id": "ms-003",
              "name": "captchaText",
              "value": "={{ $('Solve Image Captcha').first().json.data.solution.text }}",
              "type": "string"
            },
            {
              "id": "ms-004",
              "name": "message",
              "value": "Form submitted successfully with solved captcha",
              "type": "string"
            },
            {
              "id": "ms-005",
              "name": "submittedAt",
              "value": "={{ new Date().toISOString() }}",
              "type": "string"
            }
          ]
        },
        "options": {}
      },
      "type": "n8n-nodes-base.set",
      "typeVersion": 3.4,
      "position": [
        1856,
        -176
      ],
      "id": "fa-208",
      "name": "Mark Success"
    },
    {
      "parameters": {
        "assignments": {
          "assignments": [
            {
              "id": "mf-001",
              "name": "action",
              "value": "form_submission",
              "type": "string"
            },
            {
              "id": "mf-002",
              "name": "status",
              "value": "failed",
              "type": "string"
            },
            {
              "id": "mf-003",
              "name": "statusCode",
              "value": "={{ $json.statusCode }}",
              "type": "number"
            },
            {
              "id": "mf-004",
              "name": "message",
              "value": "Form submission was rejected by the target site",
              "type": "string"
            },
            {
              "id": "mf-005",
              "name": "submittedAt",
              "value": "={{ new Date().toISOString() }}",
              "type": "string"
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        "options": {}
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      "type": "n8n-nodes-base.set",
      "typeVersion": 3.4,
      "position": [
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      "id": "fa-209",
      "name": "Mark Failed"
    },
    {
      "parameters": {
        "httpMethod": "POST",
        "path": "image-captcha-form",
        "responseMode": "responseNode",
        "options": {}
      },
      "type": "n8n-nodes-base.webhook",
      "typeVersion": 2.1,
      "position": [
        -400,
        528
      ],
      "id": "fa-210",
      "name": "Webhook Trigger",
      "webhookId": "fa-210-webhook",
      "onError": "continueRegularOutput"
    },
    {
      "parameters": {
        "assignments": {
          "assignments": [
            {
              "id": "wcfg-001",
              "name": "captchaImageURL",
              "value": "={{ $json.body.captchaImageURL }}",
              "type": "string"
            },
            {
              "id": "wcfg-002",
              "name": "formActionURL",
              "value": "={{ $json.body.formActionURL }}",
              "type": "string"
            },
            {
              "id": "wcfg-003",
              "name": "captchaFieldName",
              "value": "={{ $json.body.captchaFieldName || 'captcha' }}",
              "type": "string"
            },
            {
              "id": "wcfg-004",
              "name": "module",
              "value": "={{ $json.body.module || 'common' }}",
              "type": "string"
            },
            {
              "id": "wcfg-005",
              "name": "userAgent",
              "value": "={{ $json.body.userAgent || 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36' }}",
              "type": "string"
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