docs: add refresh_token endpoint

docs/api/auth/index.js

@@ -1,29 +1,31 @@
-const axios = require('axios');
+const strava = require('../shared/strava.js');
 
 module.exports = async function (context, req) {
   context.log('JavaScript HTTP trigger function processed a request.');
-  // https://www.strava.com/oauth/authorize?client_id=76033&response_type=code&redirect_uri=https://ohmyposh.dev/api/auth&approval_prompt=force&scope=read,activity:read
+  // strava example:
+  // https://www.strava.com/oauth/authorize?client_id=76033&response_type=code&redirect_uri=https://ohmyposh.dev/api/auth&approval_prompt=force&scope=read,activity:read&state=strava
 
   try {
     const code = (req.query._code || (req.body && req.body.code));
-    if (!code) {
+    const segment = (req.query.state || (req.body && req.body.state));
+    if (!code || !segment) {
       context.res = {
         status: 400
       };
       return;
     }
 
-    const params = {
-      client_id: process.env['STRAVA_CLIENT_ID'],
-      client_secret: process.env['STRAVA_CLIENT_SECRET'],
-      code: code,
-      grant_type: 'authorization_code',
-    };
-    const resp = await axios.post('https://www.strava.com/oauth/token', null, { params: params });
-
-    const body = {
-      access_token: resp.data.access_token,
-      refresh_token: resp.data.refresh_token,
+    let body = null;
+    switch (segment) {
+      case "strava":
+        body = await strava.getStravaToken(code);
+        break;
+      default:
+        context.res = {
+          body: "unknown segment",
+          status: 400
+        };
+        return;
     }
 
     context.res = {

docs/api/auth/sample.dat

@@ -1,3 +0,0 @@
-{
-    "name": "Azure"
-}

docs/api/refresh/function.json

@@ -0,0 +1,19 @@
+{
+  "bindings": [
+    {
+      "authLevel": "anonymous",
+      "type": "httpTrigger",
+      "direction": "in",
+      "name": "req",
+      "methods": [
+        "get",
+        "post"
+      ]
+    },
+    {
+      "type": "http",
+      "direction": "out",
+      "name": "res"
+    }
+  ]
+}

docs/api/refresh/index.js

@@ -0,0 +1,39 @@
+const strava = require('../shared/strava.js');
+
+module.exports = async function (context, req) {
+  context.log('JavaScript HTTP trigger function processed a request.');
+  // strava example:
+  // https://ohmyposh.dev/api/refresh?segment=strava&token=<refresh_token>
+
+  try {
+    const refresh_token = (req.query.token || (req.body && req.body.token));
+    const segment = (req.query.segment || (req.body && req.body.segment));
+    if (!refresh_token || !segment) {
+      context.res = {
+        status: 400
+      };
+      return;
+    }
+
+    let body = null;
+    switch (segment) {
+      case "strava":
+        body = await strava.refreshStravaToken(refresh_token);
+        break;
+      default:
+        context.res = {
+          body: "unknown segment",
+          status: 400
+        };
+        return;
+    }
+
+    context.res.json(body);
+  } catch (error) {
+    context.log(error);
+    context.res = {
+      body: error,
+      status: 500
+    };
+  }
+}

docs/api/shared/strava.js

@@ -0,0 +1,38 @@
+const axios = require('axios');
+
+async function getStravaToken(code) {
+  const params = {
+    client_id: process.env['STRAVA_CLIENT_ID'],
+    client_secret: process.env['STRAVA_CLIENT_SECRET'],
+    code: code,
+    grant_type: 'authorization_code',
+  };
+  const resp = await axios.post('https://www.strava.com/api/v3/oauth/token', null, { params: params });
+
+  const body = {
+    access_token: resp.data.access_token,
+    refresh_token: resp.data.refresh_token,
+  }
+  return body;
+}
+
+async function refreshStravaToken(refresh_token) {
+  const params = {
+    client_id: process.env['STRAVA_CLIENT_ID'],
+    client_secret: process.env['STRAVA_CLIENT_SECRET'],
+    refresh_token: refresh_token,
+    grant_type: 'refresh_token',
+  };
+  const resp = await axios.post('https://www.strava.com/api/v3/oauth/token', null, { params: params });
+
+  const body = {
+    access_token: resp.data.access_token,
+    refresh_token: resp.data.refresh_token,
+  }
+  return body;
+}
+
+module.exports = {
+  getStravaToken: getStravaToken,
+  refreshStravaToken: refreshStravaToken,
+}