1 files changed, 126 insertions, 0 deletions
diff --git a/auth.js b/auth.js
new file mode 100644
index 0000000..c29823f
--- /dev/null
+++ b/auth.js
@@ -0,0 +1,126 @@
+const simpleOauthModule = require('simple-oauth2');
+const randomstring = require('randomstring');
+const Secrets = require('./lib/secrets');
+const secrets = new Secrets({
+  GIT_HOSTNAME: 'https://github.com',
+  OAUTH_TOKEN_PATH: '/login/oauth/access_token',
+  OAUTH_AUTHORIZE_PATH: '/login/oauth/authorize',
+  OAUTH_CLIENT_ID: 'foo',
+  OAUTH_CLIENT_SECRET: 'bar',
+  REDIRECT_URL: 'https://www.control-alt-del.org/oauth/callback',
+  OAUTH_SCOPES: 'repo,user',
+});
+function getScript(mess, content) {
+  return `<html><body><script>
+  (function() {
+    function receiveMessage(e) {
+      console.log("receiveMessage %o", e)
+      window.opener.postMessage(
+        'authorization:github:${mess}:${JSON.stringify(content)}',
+        e.origin
+      )
+      window.removeEventListener("message",receiveMessage,false);
+    }
+    window.addEventListener("message", receiveMessage, false)
+    console.log("Sending message: %o", "github")
+    window.opener.postMessage("authorizing:github", "*")
+    })()
+  </script></body></html>`;
+}
+module.exports.auth = (e, ctx, cb) => secrets.init()
+  .then(() => {
+    const oauth2 = simpleOauthModule.create({
+      client: {
+        id: secrets.OAUTH_CLIENT_ID,
+        secret: secrets.OAUTH_CLIENT_SECRET,
+      },
+      auth: {
+        tokenHost: secrets.GIT_HOSTNAME,
+        tokenPath: secrets.OAUTH_TOKEN_PATH,
+        authorizePath: secrets.OAUTH_AUTHORIZE_PATH,
+      },
+    });
+    // Authorization uri definition
+    const authorizationUri = oauth2.authorizationCode.authorizeURL({
+      redirect_uri: secrets.REDIRECT_URL,
+      scope: secrets.OAUTH_SCOPES,
+      state: randomstring.generate(32),
+    });
+    cb(null, {
+      statusCode: 302,
+      headers: {
+        Location: authorizationUri,
+      },
+    });
+  });
+module.exports.callback = (e, ctx, cb) => {
+  let oauth2;
+  secrets.init()
+    .then(() => {
+      oauth2 = simpleOauthModule.create({
+        client: {
+          id: secrets.OAUTH_CLIENT_ID,
+          secret: secrets.OAUTH_CLIENT_SECRET,
+        },
+        auth: {
+          tokenHost: secrets.GIT_HOSTNAME,
+          tokenPath: secrets.OAUTH_TOKEN_PATH,
+          authorizePath: secrets.OAUTH_AUTHORIZE_PATH,
+        },
+      });
+      const options = {
+        code: e.queryStringParameters.code,
+      };
+      return oauth2.authorizationCode.getToken(options);
+    })
+    .then((result) => {
+      const token = oauth2.accessToken.create(result);
+      cb(
+        null,
+        {
+          statusCode: 200,
+          headers: {
+            'Content-Type': 'text/html',
+          },
+          body: getScript('success', {
+            token: token.token.access_token,
+            provider: 'github',
+          }),
+        },
+      );
+    })
+    .catch((err) => {
+      cb(null, {
+        statusCode: 200,
+        headers: {
+          'Content-Type': 'text/html',
+        },
+        body: getScript('error', err),
+      });
+    });
+};
+module.exports.success = (e, ctx, cb) => cb(
+  null,
+  {
+    statusCode: 204,
+    body: '',
+  },
+);
+module.exports.default = (e, ctx, cb) => {
+  cb(null, {
+    statusCode: 302,
+    headers: {
+      Location: '/auth',
+    },
+  });
+};

diff --git a/auth.js b/auth.js new file mode 100644 index 0000000..c29823f --- /dev/null +++ b/auth.js
@@ -0,0 +1,126 @@
	1	const simpleOauthModule = require('simple-oauth2');
	2	const randomstring = require('randomstring');
	3	const Secrets = require('./lib/secrets');
	4
	5	const secrets = new Secrets({
	6	GIT_HOSTNAME: 'https://github.com',
	7	OAUTH_TOKEN_PATH: '/login/oauth/access_token',
	8	OAUTH_AUTHORIZE_PATH: '/login/oauth/authorize',
	9	OAUTH_CLIENT_ID: 'foo',
	10	OAUTH_CLIENT_SECRET: 'bar',
	11	REDIRECT_URL: 'https://www.control-alt-del.org/oauth/callback',
	12	OAUTH_SCOPES: 'repo,user',
	13	});
	14
	15
	16	function getScript(mess, content) {
	17	return `<html><body><script>
	18	(function() {
	19	function receiveMessage(e) {
	20	console.log("receiveMessage %o", e)
	21	window.opener.postMessage(
	22	'authorization:github:${mess}:${JSON.stringify(content)}',
	23	e.origin
	24	)
	25	window.removeEventListener("message",receiveMessage,false);
	26	}
	27	window.addEventListener("message", receiveMessage, false)
	28	console.log("Sending message: %o", "github")
	29	window.opener.postMessage("authorizing:github", "*")
	30	})()
	31	</script></body></html>`;
	32	}
	33
	34	module.exports.auth = (e, ctx, cb) => secrets.init()
	35	.then(() => {
	36	const oauth2 = simpleOauthModule.create({
	37	client: {
	38	id: secrets.OAUTH_CLIENT_ID,
	39	secret: secrets.OAUTH_CLIENT_SECRET,
	40	},
	41	auth: {
	42	tokenHost: secrets.GIT_HOSTNAME,
	43	tokenPath: secrets.OAUTH_TOKEN_PATH,
	44	authorizePath: secrets.OAUTH_AUTHORIZE_PATH,
	45	},
	46	});
	47
	48	// Authorization uri definition
	49	const authorizationUri = oauth2.authorizationCode.authorizeURL({
	50	redirect_uri: secrets.REDIRECT_URL,
	51	scope: secrets.OAUTH_SCOPES,
	52	state: randomstring.generate(32),
	53	});
	54
	55	cb(null, {
	56	statusCode: 302,
	57	headers: {
	58	Location: authorizationUri,
	59	},
	60	});
	61	});
	62
	63	module.exports.callback = (e, ctx, cb) => {
	64	let oauth2;
	65	secrets.init()
	66	.then(() => {
	67	oauth2 = simpleOauthModule.create({
	68	client: {
	69	id: secrets.OAUTH_CLIENT_ID,
	70	secret: secrets.OAUTH_CLIENT_SECRET,
	71	},
	72	auth: {
	73	tokenHost: secrets.GIT_HOSTNAME,
	74	tokenPath: secrets.OAUTH_TOKEN_PATH,
	75	authorizePath: secrets.OAUTH_AUTHORIZE_PATH,
	76	},
	77	});
	78
	79	const options = {
	80	code: e.queryStringParameters.code,
	81	};
	82	return oauth2.authorizationCode.getToken(options);
	83	})
	84	.then((result) => {
	85	const token = oauth2.accessToken.create(result);
	86	cb(
	87	null,
	88	{
	89	statusCode: 200,
	90	headers: {
	91	'Content-Type': 'text/html',
	92	},
	93	body: getScript('success', {
	94	token: token.token.access_token,
	95	provider: 'github',
	96	}),
	97	},
	98	);
	99	})
	100	.catch((err) => {
	101	cb(null, {
	102	statusCode: 200,
	103	headers: {
	104	'Content-Type': 'text/html',
	105	},
	106	body: getScript('error', err),
	107	});
	108	});
	109	};
	110
	111	module.exports.success = (e, ctx, cb) => cb(
	112	null,
	113	{
	114	statusCode: 204,
	115	body: '',
	116	},
	117	);
	118
	119	module.exports.default = (e, ctx, cb) => {
	120	cb(null, {
	121	statusCode: 302,
	122	headers: {
	123	Location: '/auth',
	124	},
	125	});
	126	};