access-control-allow-origin htaccess
<IfModule mod_headers.c>
Header set Access-Control-Allow-Origin *
</IfModule>access-control-allow-origin htaccess
<IfModule mod_headers.c>
Header set Access-Control-Allow-Origin *
</IfModule>javascript cors error
$.ajax({
headers: { "Accept": "application/json"},
type: 'GET',
url: 'http://cl.ly/2wr4',
crossDomain: true,
beforeSend: function(xhr){
xhr.withCredentials = true;
},
success: function(data, textStatus, request){
console.log(data);
}
});cross origin even with allow header
header('Access-Control-Allow-Origin: http://localhost:8100');
header ("Access-Control-Expose-Headers: Content-Length, X-JSON");
header ("Access-Control-Allow-Methods: GET, POST, PATCH, PUT, DELETE, OPTIONS");
header ("Access-Control-Allow-Headers: Content-Type, Authorization, Accept, Accept-Language, X-Authorization");
header('Access-Control-Max-Age: 86400');
if ($_SERVER['REQUEST_METHOD'] === 'OPTIONS') {
// The request is using the POST method
header("HTTP/1.1 200 OK");
return;
}Reason: CORS header 'Access-Control-Allow-Origin' missing
const app = express();
// CORS configuration
const corsOptions = {
origin: 'http://localhost:3000',
credentials: true
}
// The following is not needed, CORS middleware will be applied
// using the Apollo Server's middleware API (see further below)
// app.use(cors(corsOptions))
// Setup JWT authentication middleware
app.use(async (req, res, next) => {
const token = req.headers['authorization'];
if(token !== "null"){
try {
const currentUser = await jwt.verify(token, process.env.SECRET)
req.currentUser = currentUser
} catch(e) {
console.error(e);
}
}
next();
});
const server = new ApolloServer({
typeDefs,
resolvers,
context: ({ req }) => ({ Property, User, currentUser: req.currentUser })
});
// There is no need to explicitly define the 'path' option in
// the configuration object as '/graphql' is the default endpoint
// If you planned on using a different endpoint location,
// this is where you would define it.
server.applyMiddleware({ app, cors: corsOptions });
const PORT = process.env.PORT || 4000;
app.listen(PORT, () => {
console.log(`Server listening on ${PORT}`);
})cors header ‘access-control-allow-origin’ missing IN PARTICULAR CAKEPHP API
header('Access-Control-Allow-Origin: *');
header('Access-Control-Allow-Methods: POST, GET, PUT, PATCH, DELETE, OPTIONS');
header('Access-Control-Allow-Headers: *');
if ($_SERVER['REQUEST_METHOD'] == 'OPTIONS') {
exit(0);
}Copyright © 2021 Codeinu
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