Feat/firecrawl data source (#5232)

Co-authored-by: Nicolas <nicolascamara29@gmail.com>
Co-authored-by: chenhe <guchenhe@gmail.com>
Co-authored-by: takatost <takatost@gmail.com>

api/services/auth/firecrawl.py

@@ -0,0 +1,56 @@
+import json
+
+import requests
+
+from services.auth.api_key_auth_base import ApiKeyAuthBase
+
+
+class FirecrawlAuth(ApiKeyAuthBase):
+    def __init__(self, credentials: dict):
+        super().__init__(credentials)
+        auth_type = credentials.get('auth_type')
+        if auth_type != 'bearer':
+            raise ValueError('Invalid auth type, Firecrawl auth type must be Bearer')
+        self.api_key = credentials.get('config').get('api_key', None)
+        self.base_url = credentials.get('config').get('base_url', 'https://api.firecrawl.dev')
+
+        if not self.api_key:
+            raise ValueError('No API key provided')
+
+    def validate_credentials(self):
+        headers = self._prepare_headers()
+        options = {
+            'url': 'https://example.com',
+            'crawlerOptions': {
+                'excludes': [],
+                'includes': [],
+                'limit': 1
+            },
+            'pageOptions': {
+                'onlyMainContent': True
+            }
+        }
+        response = self._post_request(f'{self.base_url}/v0/crawl', options, headers)
+        if response.status_code == 200:
+            return True
+        else:
+            self._handle_error(response)
+
+    def _prepare_headers(self):
+        return {
+            'Content-Type': 'application/json',
+            'Authorization': f'Bearer {self.api_key}'
+        }
+
+    def _post_request(self, url, data, headers):
+        return requests.post(url, headers=headers, json=data)
+
+    def _handle_error(self, response):
+        if response.status_code in [402, 409, 500]:
+            error_message = response.json().get('error', 'Unknown error occurred')
+            raise Exception(f'Failed to authorize. Status code: {response.status_code}. Error: {error_message}')
+        else:
+            if response.text:
+                error_message = json.loads(response.text).get('error', 'Unknown error occurred')
+                raise Exception(f'Failed to authorize. Status code: {response.status_code}. Error: {error_message}')
+            raise Exception(f'Unexpected error occurred while trying to authorize. Status code: {response.status_code}')