Add Proxy config section to snowflake connector

.changeset/perfect-lobsters-compare.md

@@ -0,0 +1,5 @@
+---
+'@evidence-dev/snowflake': minor
+---
+
+Add Proxy config section/options to snowflake connector

CONTRIBUTING.md

@@ -117,7 +117,7 @@ Follow these steps to submit a pull request for your changes:
 3. Test your changes to make sure all results are as expected
 4. Format your code to prevent linting errors `pnpm run format`
 5. Add a [changeset](#adding-a-changeset)
-6. Open a pull request against the `main` branch of the `evidence` repo
+6. Open a pull request against the `next` branch of the `evidence` repo
 
 [Here's an example of a pull request](https://github.com/evidence-dev/evidence/pull/165) from a community member who built Evidence's MySQL connector.
 

packages/datasources/snowflake/index.cjs

@@ -153,6 +153,27 @@ const getCredentials = (database = {}) => {
 	const role = database.role;
 	const schema = database.schema;
 
+	// https://docs.snowflake.com/en/developer-guide/node-js/nodejs-driver-connect#label-nodejs-proxy-connection
+	const proxyOptions = database.proxy
+		? {
+				proxyHost: database.proxy.host,
+				proxyPort: database.proxy.port,
+				proxyUser: database.proxy.username,
+				proxyPassword: database.proxy.password,
+				proxyProtocol: database.proxy.protocol
+			}
+		: {};
+
+	const baseOptions = {
+		account,
+		database: default_database,
+		username,
+		warehouse,
+		role,
+		schema,
+		...proxyOptions
+	};
+
 	if (authenticator === 'snowflake_jwt') {
 		const private_key = database.private_key;
 		const passphrase = database.passphrase;
@@ -168,45 +189,25 @@ const getCredentials = (database = {}) => {
 		});
 
 		return {
+			...baseOptions,
 			privateKey: decrypted_private_key,
-			username,
-			account,
-			database: default_database,
-			warehouse,
-			role,
-			schema,
 			authenticator
 		};
 	} else if (authenticator === 'externalbrowser') {
 		return {
-			username,
-			account,
-			database: default_database,
-			warehouse,
-			role,
-			schema,
+			...baseOptions,
 			authenticator
 		};
 	} else if (authenticator === 'okta') {
 		return {
-			username,
+			...baseOptions,
 			password: database.password,
-			account,
-			database: default_database,
-			warehouse,
-			role,
-			schema,
 			authenticator: database.okta_url
 		};
 	} else {
 		return {
-			username,
-			password: database.password,
-			account,
-			database: default_database,
-			warehouse,
-			schema,
-			role
+			...baseOptions,
+			password: database.password
 		};
 	}
 };
@@ -381,5 +382,47 @@ module.exports.options = {
 				}
 			}
 		}
+	},
+	proxy: {
+		title: 'Connect through an authenticated proxy?',
+		type: 'boolean',
+		secret: false,
+		required: false,
+		nest: true,
+		children: {
+			[true]: {
+				host: {
+					title: 'Host',
+					type: 'string',
+					secret: false,
+					required: true
+				},
+				port: {
+					title: 'Port',
+					type: 'number',
+					secret: false,
+					required: true
+				},
+				username: {
+					title: 'Username',
+					type: 'string',
+					secret: true,
+					shown: true,
+					required: false
+				},
+				password: {
+					title: 'Password',
+					type: 'string',
+					secret: true,
+					required: false
+				},
+				protocol: {
+					title: 'Protocol',
+					type: 'string',
+					secret: false,
+					required: false
+				}
+			}
+		}
 	}
 };