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.htaccess/mod_rewrite: running Angular app in sub-folder? – Apache

I’ve

  1. a light index.php which provides simple pages and
  2. a more complex/heavy Angular 8.0 app, stored in the sub-folder /app.

Example URLs:

/ ......................... works: index.php, loads home page
/my-blog-post.html ........ works: index.php, loads a blog post
/any-page.htm ............. works: index.php, loads a page
/app ...................... works: home page of the Angular app
/app/login ................ DOES "NOT" WORK: sub-page of the Angular app

Folder structure:

app/dist/app ........................................... Angular App (built files)
app/dist/app/3rdpartylicenses.txt
app/dist/app/4-es5.86e9c53554535b1b46a8.js
app/dist/app/4-es2015.bb174fcd0205a5f23647.js
app/dist/app/5-es5.b8f3fede0599cda91cf0.js
app/dist/app/5-es2015.f4890df5957b350d78ca.js
app/dist/app/favicon.ico
app/dist/app/index.html
app/dist/app/main-es5.8059496aa1855103a2ad.js
app/dist/app/main-es2015.0629f594e2c4c056133c.js
app/dist/app/polyfills-es5.943113ac054b16d954ae.js
app/dist/app/polyfills-es2015.e954256595c973372414.js
app/dist/app/runtime-es5.f2faa6ae2b23db85cc8d.js
app/dist/app/runtime-es2015.f40f45bfff52b2130730.js
app/dist/app/styles.3ff695c00d717f2d2a11.css
.htaccess .............................................. 
index.php ..............................................

app/dist/app/index.html

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>App</title>
  <base href="/app/">

  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="icon" type="image/x-icon" href="favicon.ico">
<link rel="stylesheet" href="styles.3ff695c00d717f2d2a11.css"></head>
<body>
  <app-root></app-root>
<script src="runtime-es2015.f40f45bfff52b2130730.js" type="module"></script><script src="polyfills-es2015.e954256595c973372414.js" type="module"></script><script src="runtime-es5.f2faa6ae2b23db85cc8d.js" nomodule></script><script src="polyfills-es5.943113ac054b16d954ae.js" nomodule></script><script src="main-es2015.0629f594e2c4c056133c.js" type="module"></script><script src="main-es5.8059496aa1855103a2ad.js" nomodule></script></body>
</html>

Problem:
It’s possible to reach /app and afterwards app/login by clicking a link within the Angular App. It is not possible to reach the URL directly via the browsers address bar:

  1. app/login does not work when called directly (error below)
  2. app/ -> click Login-link -> app/login works

.htaccess

RewriteEngine on
RewriteBase /

# Page
RewriteRule ^(.*).html$ /index.php?module=page&slug=$1

# Blog
RewriteRule ^(.*).htm$ /index.php?module=blog&slug=$1

# Angular app
RewriteRule ^app/$ app/dist/app/index.html [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^app/(.*) app/dist/app/$1 [L]

# Remove www
RewriteCond %{HTTP_HOST} ^www.(.*)$ [NC]
RewriteRule ^(.*)$ http://%1/$1 [R=301,L]

# Force https
RewriteCond %{HTTPS} on

Error

# /var/log/apache2/myproject_error.log
AH00124: Request exceeded the limit of 10 internal redirects due to probable configuration error. Use 'LimitInternalRecursion' to increase the limit if necessary. Use 'LogLevel debug' to get a backtrace.

I think the bug is somewhere in the routing of Angular app part of the .htaccess.
index.php and the Angular app themselves work perfectly fine.

Edit
After setting imports: [RouterModule.forRoot(routes, {useHash: true})] it works with #, but I’d like to avoid the HashLocationStrategy.

Any idea?
Thanks in advance!

Tags:

2

Answers


  1. 0

    You need to configure your HTTP server to redirect all URI which began with http://www.domain.com/app/ to the index.html(angular app) file so that it always serve index.html on app/.

    Here’s how angular suggests: Angular Deployment Server Configuration

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  2. 0

    Have it this way:

    RewriteEngine on
RewriteBase /

# remove www and turn on https in same rule
RewriteCond %{HTTP_HOST} ^www. [NC,OR]
RewriteCond %{HTTPS} !on
RewriteCond %{HTTP_HOST} ^(?:www.)?(.+)$ [NC]
RewriteRule ^ https://%1%{REQUEST_URI} [R=301,L,NE]

# Page
RewriteRule ^([^./]+).html$ index.php?module=page&slug=$1 [L,QSA,NC]

# Blog
RewriteRule ^([^./]+).htm$ index.php?module=blog&slug=$1 [L,QSA,NC]

# Angular app
RewriteRule ^app/$ app/dist/app/index.html [L,NC]

RewriteCond %{ENV:REDIRECT_STATUS} ^$
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^app/(.+)$ app/dist/app/$1 [L,NC]

    Make sure to test it after clearing your browser cache or test in a new browser.

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