ref(core): simplify dsn parsing

Author: JonasBa

packages/utils/src/dsn.ts

@@ -3,13 +3,14 @@ import { Dsn, DsnComponents, DsnLike, DsnProtocol } from '@sentry/types';
 import { isDebugBuild } from './env';
 import { SentryError } from './error';
 
-/** Regular expression used to parse a Dsn. */
-const DSN_REGEX = /^(?:(\w+):)\/\/(?:(\w+)(?::(\w+))?@)([\w.-]+)(?::(\d+))?\/(.+)/;
-
 function isValidProtocol(protocol?: string): protocol is DsnProtocol {
   return protocol === 'http' || protocol === 'https';
 }
 
+function normalizeProtocol(input: string): string {
+  return input.replace(/:$/, '');
+}
+
 /**
  * Renders the string representation of this Dsn.
  *
@@ -20,38 +21,28 @@ function isValidProtocol(protocol?: string): protocol is DsnProtocol {
  * @param withPassword When set to true, the password will be included.
  */
 function dsntoString(dsn: Dsn, withPassword: boolean = false): string {
-  const { host, path, pass, port, projectId, protocol, publicKey } = dsn;
+  const { host, port, path, pass, projectId, protocol, publicKey } = dsn;
   return (
     `${protocol}://${publicKey}${withPassword && pass ? `:${pass}` : ''}` +
-    `@${host}${port ? `:${port}` : ''}/${path ? `${path}/` : path}${projectId}`
+    `@${host}${port ? `:${port}` : ''}${path}/${projectId}`
   );
 }
 
 function dsnFromString(str: string): Dsn {
-  const match = DSN_REGEX.exec(str);
-
-  if (!match) {
-    throw new SentryError('Invalid Dsn');
-  }
-
-  const [protocol, publicKey, pass = '', host, port = '', lastPath] = match.slice(1);
-  let path = '';
-  let projectId = lastPath;
-
-  const split = projectId.split('/');
-  if (split.length > 1) {
-    path = split.slice(0, -1).join('/');
-    projectId = split.pop() as string;
-  }
-
-  if (projectId) {
-    const projectMatch = projectId.match(/^\d+/);
-    if (projectMatch) {
-      projectId = projectMatch[0];
-    }
-  }
-
-  return dsnFromComponents({ host, pass, path, projectId, port, protocol: protocol as DsnProtocol, publicKey });
+  const url = new URL(str);
+
+  const pathComponents = url.pathname.split('/');
+  const projectId = pathComponents.pop();
+
+  return dsnFromComponents({
+    host: url.hostname,
+    pass: url.password,
+    path: pathComponents.join('/'),
+    projectId: projectId || '',
+    port: url.port,
+    protocol: normalizeProtocol(url.protocol) as DsnProtocol,
+    publicKey: url.username,
+  });
 }
 
 function dsnFromComponents(components: DsnComponents): Dsn {

packages/utils/test/dsn.test.ts

@@ -48,15 +48,15 @@ describe('Dsn', () => {
         makeDsn({
           host: '',
           projectId: '123',
-          protocol: 'https',
+          protocol: 'https:',
           publicKey: 'abc',
         }),
       ).toThrow(SentryError);
       expect(() =>
         makeDsn({
           host: 'sentry.io',
           projectId: '',
-          protocol: 'https',
+          protocol: 'https:',
           publicKey: 'abc',
         }),
       ).toThrow(SentryError);
@@ -72,7 +72,7 @@ describe('Dsn', () => {
         makeDsn({
           host: 'sentry.io',
           projectId: '123',
-          protocol: 'https',
+          protocol: 'https:',
           publicKey: '',
         }),
       ).toThrow(SentryError);
@@ -92,7 +92,7 @@ describe('Dsn', () => {
           host: 'sentry.io',
           port: 'xxx',
           projectId: '123',
-          protocol: 'https',
+          protocol: 'https:',
           publicKey: 'abc',
         }),
       ).toThrow(SentryError);
@@ -118,7 +118,7 @@ describe('Dsn', () => {
       expect(dsn.pass).toBe('');
       expect(dsn.host).toBe('sentry.io');
       expect(dsn.port).toBe('');
-      expect(dsn.path).toBe('123');
+      expect(dsn.path).toBe('/123');
       expect(dsn.projectId).toBe('321');
     });
 
@@ -129,7 +129,7 @@ describe('Dsn', () => {
       expect(dsn.pass).toBe('');
       expect(dsn.host).toBe('sentry.io');
       expect(dsn.port).toBe('');
-      expect(dsn.path).toBe('sentry/custom/installation');
+      expect(dsn.path).toBe('/sentry/custom/installation');
       expect(dsn.projectId).toBe('321');
     });