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December 31, 2020 20:59
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Check a WordPress migration endpoint for the existence of a user.
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| async function checkWordPressForUser(user, context, callback) { | |
| if (!user.email) { | |
| console.log("User does not have an email to use."); | |
| return callback(null, user, context); | |
| } | |
| const customClaimNamespace = "https://custom-claim/has_wp_account"; | |
| const { | |
| WP_API_CLIENT_ID, | |
| WP_API_IDENTIFIER, | |
| WP_API_GET_USER_URL, | |
| WP_API_TOKEN, | |
| } = configuration; | |
| if (!WP_API_IDENTIFIER || !WP_API_GET_USER_URL || !WP_API_TOKEN) { | |
| console.log("Missing required configuration."); | |
| return callback(null, user, context); | |
| } | |
| if (WP_API_CLIENT_ID && context.clientID === WP_API_CLIENT_ID) { | |
| console.log("Logging into WP application, skipping check."); | |
| return callback(null, user, context); | |
| } | |
| const { query = {} } = context.request || {}; | |
| if (!query.audience || query.audience !== WP_API_IDENTIFIER) { | |
| console.log(`Not the WP API audience: ${query.audience}`); | |
| return callback(null, user, context); | |
| } | |
| context.idToken[customClaimNamespace] = false; | |
| const axios = require("axios@0.19.2"); | |
| const url = require("url"); | |
| const formData = new url.URLSearchParams({ username: user.email }); | |
| let apiResponse; | |
| try { | |
| apiResponse = await axios.post(WP_API_GET_USER_URL, formData.toString(), { | |
| headers: { | |
| Authorization: `Bearer ${WP_API_TOKEN}`, | |
| "Content-Type": "application/x-www-form-urlencoded", | |
| }, | |
| }); | |
| } catch (apiHttpError) { | |
| console.log(`Error calling the WP API: ${apiHttpError.message}`); | |
| return callback(null, user, context); | |
| } | |
| if (apiResponse.data.error) { | |
| console.log(`Error returned from the WP API: ${apiResponse.data.error}`); | |
| return callback(null, user, context); | |
| } | |
| if (apiResponse.data.ID) { | |
| context.idToken[customClaimNamespace] = true; | |
| } | |
| return callback(null, user, context); | |
| } |
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