| 1 | from typing import Any |
| 2 | from typing import Dict |
| 3 | from typing import Optional |
| 4 | |
| 5 | import httpx |
| 6 | import requests |
| 7 | from loguru import logger |
| 8 | |
| 9 | from app.connectors.utils import get_connector_info_from_db |
| 10 | from app.db.db_session import get_db_session |
| 11 | |
| 12 | |
| 13 | async def verify_talon_credentials(attributes: Dict[str, Any]) -> Dict[str, Any]: |
| 14 | """ |
| 15 | Verifies the connection to the Talon service. |
| 16 | |
| 17 | Returns: |
| 18 | dict: A dictionary containing 'connectionSuccessful' status. |
| 19 | """ |
| 20 | logger.info(f"Verifying the Talon connection to {attributes['connector_url']}") |
| 21 | try: |
| 22 | response = requests.get( |
| 23 | f"{attributes['connector_url']}/health", |
| 24 | verify=False, |
| 25 | timeout=10, |
| 26 | ) |
| 27 | if response.status_code == 200: |
| 28 | logger.info(f"Connection to {attributes['connector_url']} successful") |
| 29 | return { |
| 30 | "connectionSuccessful": True, |
| 31 | "message": "Talon connection successful", |
| 32 | } |
| 33 | else: |
| 34 | logger.error( |
| 35 | f"Connection to {attributes['connector_url']} failed with status: {response.status_code}", |
| 36 | ) |
| 37 | return { |
| 38 | "connectionSuccessful": False, |
| 39 | "message": f"Connection to {attributes['connector_url']} failed with status {response.status_code}", |
| 40 | } |
| 41 | except Exception as e: |
| 42 | logger.error( |
| 43 | f"Connection to {attributes['connector_url']} failed with error: {e}", |
| 44 | ) |
| 45 | return { |
| 46 | "connectionSuccessful": False, |
| 47 | "message": f"Connection to {attributes['connector_url']} failed with error: {e}", |
| 48 | } |
| 49 | |
| 50 | |
| 51 | async def verify_talon_connection(connector_name: str = "Talon") -> Dict[str, Any]: |
| 52 | """ |
| 53 | Verifies the connection to the Talon service using stored connector credentials. |
| 54 | |
| 55 | Args: |
| 56 | connector_name (str): The name of the connector. Defaults to "Talon". |
| 57 | |
| 58 | Returns: |
| 59 | Dict[str, Any]: Connection verification result. |
| 60 | """ |
| 61 | logger.info("Verifying Talon connection") |
| 62 | async with get_db_session() as session: |
| 63 | attributes = await get_connector_info_from_db(connector_name, session) |
| 64 | if attributes is None: |
| 65 | logger.error("No Talon connector found in the database") |
| 66 | return None |
| 67 | return await verify_talon_credentials(attributes) |
| 68 | |
| 69 | |
| 70 | def _build_headers(api_key: str) -> Dict[str, str]: |
| 71 | """Build request headers with API key authentication.""" |
| 72 | return { |
| 73 | "x-api-key": api_key, |
| 74 | "Content-Type": "application/json", |
| 75 | } |
| 76 | |
| 77 | |
| 78 | async def send_get_request( |
| 79 | endpoint: str, |
| 80 | params: Optional[Dict[str, Any]] = None, |
| 81 | connector_name: str = "Talon", |
| 82 | ) -> Dict[str, Any]: |
| 83 | """ |
| 84 | Sends a GET request to the Talon service. |
| 85 | |
| 86 | Args: |
| 87 | endpoint (str): The endpoint to send the GET request to. |
| 88 | params (Optional[Dict[str, Any]], optional): The parameters to send with the GET request. Defaults to None. |
| 89 | connector_name (str, optional): The name of the connector to use. Defaults to "Talon". |
| 90 | |
| 91 | Returns: |
| 92 | Dict[str, Any]: The response from the GET request. |
| 93 | """ |
| 94 | logger.info(f"Sending GET request to Talon {endpoint}") |
| 95 | async with get_db_session() as session: |
| 96 | attributes = await get_connector_info_from_db(connector_name, session) |
| 97 | if attributes is None: |
| 98 | logger.error("No Talon connector found in the database") |
| 99 | return { |
| 100 | "success": False, |
| 101 | "message": "No Talon connector found in the database", |
| 102 | } |
| 103 | try: |
| 104 | headers = _build_headers(attributes["connector_api_key"]) |
| 105 | response = requests.get( |
| 106 | f"{attributes['connector_url']}{endpoint}", |
| 107 | headers=headers, |
| 108 | params=params, |
| 109 | verify=False, |
| 110 | timeout=(5, 30), |
| 111 | ) |
| 112 | response.raise_for_status() |
| 113 | return { |
| 114 | "data": response.json(), |
| 115 | "success": True, |
| 116 | "message": "Successfully retrieved data", |
| 117 | } |
| 118 | except Exception as e: |
| 119 | logger.error(f"Failed to send GET request to Talon {endpoint} with error: {e}") |
| 120 | return { |
| 121 | "success": False, |
| 122 | "message": f"Failed to send GET request to {endpoint} with error: {e}", |
| 123 | } |
| 124 | |
| 125 | |
| 126 | async def send_post_request( |
| 127 | endpoint: str, |
| 128 | data: Optional[Dict[str, Any]] = None, |
| 129 | connector_name: str = "Talon", |
| 130 | timeout: int = 120, |
| 131 | ) -> Dict[str, Any]: |
| 132 | """ |
| 133 | Sends a POST request to the Talon service. |
| 134 | |
| 135 | Args: |
| 136 | endpoint (str): The endpoint to send the POST request to. |
| 137 | data (Optional[Dict[str, Any]]): The data to send with the POST request. Defaults to None. |
| 138 | connector_name (str, optional): The name of the connector to use. Defaults to "Talon". |
| 139 | timeout (int, optional): Request timeout in seconds. Defaults to 120. |
| 140 | |
| 141 | Returns: |
| 142 | Dict[str, Any]: The response from the POST request. |
| 143 | """ |
| 144 | logger.info(f"Sending POST request to Talon {endpoint}") |
| 145 | async with get_db_session() as session: |
| 146 | attributes = await get_connector_info_from_db(connector_name, session) |
| 147 | if attributes is None: |
| 148 | logger.error("No Talon connector found in the database") |
| 149 | return { |
| 150 | "success": False, |
| 151 | "message": "No Talon connector found in the database", |
| 152 | } |
| 153 | try: |
| 154 | headers = _build_headers(attributes["connector_api_key"]) |
| 155 | response = requests.post( |
| 156 | f"{attributes['connector_url']}{endpoint}", |
| 157 | headers=headers, |
| 158 | json=data, |
| 159 | verify=False, |
| 160 | timeout=timeout, |
| 161 | ) |
| 162 | response.raise_for_status() |
| 163 | return { |
| 164 | "data": response.json(), |
| 165 | "success": True, |
| 166 | "message": "Successfully retrieved data", |
| 167 | } |
| 168 | except Exception as e: |
| 169 | logger.error(f"Failed to send POST request to Talon {endpoint} with error: {e}") |
| 170 | return { |
| 171 | "success": False, |
| 172 | "message": f"Failed to send POST request to {endpoint} with error: {e}", |
| 173 | } |
| 174 | |
| 175 | |
| 176 | async def send_post_request_sse( |
| 177 | endpoint: str, |
| 178 | data: Optional[Dict[str, Any]] = None, |
| 179 | connector_name: str = "Talon", |
| 180 | ): |
| 181 | """ |
| 182 | Sends a POST request to the Talon service and yields SSE chunks as they arrive. |
| 183 | |
| 184 | Uses httpx async streaming to avoid blocking the event loop and preserves |
| 185 | the raw SSE wire format (including \\n\\n event boundaries). |
| 186 | |
| 187 | Args: |
| 188 | endpoint (str): The endpoint to send the POST request to. |
| 189 | data (Optional[Dict[str, Any]]): The data to send with the POST request. |
| 190 | connector_name (str, optional): The name of the connector to use. Defaults to "Talon". |
| 191 | |
| 192 | Yields: |
| 193 | bytes: Raw SSE bytes from the upstream response. |
| 194 | """ |
| 195 | logger.info(f"Sending streaming POST request to Talon {endpoint}") |
| 196 | async with get_db_session() as session: |
| 197 | attributes = await get_connector_info_from_db(connector_name, session) |
| 198 | if attributes is None: |
| 199 | logger.error("No Talon connector found in the database") |
| 200 | yield b'data: {"error": "No Talon connector found in the database"}\n\n' |
| 201 | return |
| 202 | try: |
| 203 | headers = _build_headers(attributes["connector_api_key"]) |
| 204 | timeout = httpx.Timeout(connect=10.0, read=None, write=10.0, pool=10.0) |
| 205 | async with httpx.AsyncClient(verify=False, timeout=timeout) as client: |
| 206 | async with client.stream( |
| 207 | "POST", |
| 208 | f"{attributes['connector_url']}{endpoint}", |
| 209 | headers=headers, |
| 210 | json=data, |
| 211 | ) as response: |
| 212 | response.raise_for_status() |
| 213 | async for chunk in response.aiter_bytes(): |
| 214 | yield chunk |
| 215 | except Exception as e: |
| 216 | logger.error(f"Failed to stream from Talon {endpoint} with error: {e}") |
| 217 | yield f'data: {{"error": "Failed to stream from {endpoint}"}}\n\n'.encode() |