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litespeed_wiki:config:cors [2017/10/06 14:48] Eric Leu [Start verification] |
litespeed_wiki:config:cors [2017/10/09 14:21] Lisa Clarke [Method 2: Set from config] |
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| ====== Enabling Cross-Origin Resource Sharing ====== | ====== Enabling Cross-Origin Resource Sharing ====== | ||
| - | Cross-Origin Resource Sharing (CORS) is a specification that enables truly open access across domain-boundaries. If you serve public content, please consider using CORS to open it up for universal JavaScript/browser access. CORS introduces a standard mechanism that can be used by all browsers for implementing cross-domain requests. | + | Cross-Origin Resource Sharing (CORS) is a specification that enables truly open access across domain boundaries. If you serve public content, please consider using CORS to open it up for universal JavaScript/browser access. CORS introduces a standard mechanism that can be used by all browsers for implementing cross-domain requests. |
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| ==== Method 1: Set from htaccess file==== | ==== Method 1: Set from htaccess file==== | ||
| Navigate to **Web Admin > Configurations > Your Virtual Hosts > General > HT Access section**: | Navigate to **Web Admin > Configurations > Your Virtual Hosts > General > HT Access section**: | ||
| - | - Click **Edit** button | + | - Click the **Edit** button |
| - | - Enable ''Limit'', ''Auth'', ''FileInfo'', ''Indexes'', ''Options'' form **Allow Override** | + | - Enable ''Limit'', ''Auth'', ''FileInfo'', ''Indexes'', ''Options'' from **Allow Override** |
| - | - Click **Save** button | + | - Click the **Save** button |
| - | - Do graceful restart | + | - Do a graceful restart |
| - | Set CORS header to .htaccess file of your Virtual Hosts location | + | Set CORS header to the ''.htaccess'' file of your Virtual Hosts location |
| - | - Create .htaccess file if not exist and writable, e.g. \\ <code>file='/usr/local/lsws/DEFAULT/html/.htaccess'; | + | - Create ''.htaccess'' if it doesn't exist and make it writable, e.g. \\ <code>file='/usr/local/lsws/DEFAULT/html/.htaccess'; |
| ( [ -e "$file" ] || touch "$file" ) && [ ! -w "$file" ] && echo cannot write to $file && exit 1</code> | ( [ -e "$file" ] || touch "$file" ) && [ ! -w "$file" ] && echo cannot write to $file && exit 1</code> | ||
| - | - Add ''<nowiki>Header Set Access-Control-Allow-Origin "*"</nowiki> '' to .htaccess file \\ {{:litespeed_wiki:config:cors-9.png?|}} | + | - Add ''<nowiki>Header Set Access-Control-Allow-Origin "*"</nowiki> '' to ''.htaccess'' file \\ {{:litespeed_wiki:config:cors-9.png?|}} |
| ==== Method 2: Set from config==== | ==== Method 2: Set from config==== | ||
| Navigate to **Web Admin > Configurations > Your Virtual Hosts > Context**: | Navigate to **Web Admin > Configurations > Your Virtual Hosts > Context**: | ||
| - | - Click **Add** button | + | - Click the **Add** button |
| - | - Choose **Static** type | + | - Choose ''Static'' type |
| - | - Set URI **/** (Change this if you want) | + | - Set **URI** to ''/'' (You can change this if you want to) |
| - | - Set Location **$SERVER_ROOT/Example/html/** (Change this if you want) | + | - Set **Location** to ''$SERVER_ROOT/Example/html/'' (You can change this if you want to) |
| - | - Set Accessible to **Yes** | + | - Set **Accessible** to ''Yes'' |
| - | - Extra Headers **Access-Control-Allow-Origin *** | + | - Set **Extra Headers** to ''Access-Control-Allow-Origin *'' |
| - | - Click **Save** button | + | - Click the **Save** button |
| - | - Do graceful restart \\ {{:litespeed_wiki:config:cors-1.png?|}}\\{{:litespeed_wiki:config:cors-2.png?|}} | + | - Do a graceful restart \\ {{:litespeed_wiki:config:cors-1.png?|}}\\{{:litespeed_wiki:config:cors-2.png?|}} |
| - | ===== How to verify ===== | + | ===== How to Verify ===== |
| ====Before verification==== | ====Before verification==== | ||
| - | we can check our response header include ''Access-Control-Allow-Origin *''. \\ {{:litespeed_wiki:config:cors-6.png?600|}} \\ | + | Check that our response header includes ''Access-Control-Allow-Origin *''. \\ {{:litespeed_wiki:config:cors-6.png?600|}} \\ |
| ==== Start verification==== | ==== Start verification==== | ||
| - | Test CORS is [[https://stackoverflow.com/questions/12173990/how-can-you-debug-a-cors-request-with-curl | not easy]], here we are going to use [[http://www.test-cors.org | Test-cors online tool]] to verify it with simple step.\\ | + | Testing CORS is [[https://stackoverflow.com/questions/12173990/how-can-you-debug-a-cors-request-with-curl | not easy]], here we are going to use [[http://www.test-cors.org | the Test-cors online tool]] to verify it with simple steps.\\ |
| - | Tool shows like this, basically we need to enter in **HTTP Method** and Target **Remote URL** \\ {{:litespeed_wiki:config:cors-3.png?600|}}\\ | + | The tool looks like this. We need to enter the **HTTP Method** and Target **Remote URL** \\ {{:litespeed_wiki:config:cors-3.png?600|}}\\ |
| - | * Send with default supported method, e.g. ''GET'': \\ {{:litespeed_wiki:config:cors-4.png?600|}} \\ | + | * **Send Request** with the default supported method, e.g. ''GET'': \\ {{:litespeed_wiki:config:cors-4.png?600|}} \\ |
| - | * Send with default unsupported method, e.g. ''DELETE'': \\ {{:litespeed_wiki:config:cors-5.png?600|}} \\ | + | * **Send Request** with an unsupported method, e.g. ''DELETE'': \\ {{:litespeed_wiki:config:cors-5.png?600|}} \\ |
| - | * You can also copy the code from tool to test by your own. \\ <code> | + | * You can also copy the code from the testing tool to test on your own: \\ <code> |
| var createCORSRequest = function(method, url) { | var createCORSRequest = function(method, url) { | ||
| var xhr = new XMLHttpRequest(); | var xhr = new XMLHttpRequest(); | ||
| Line 71: | Line 71: | ||
| xhr.send(); | xhr.send(); | ||
| </code> | </code> | ||
| - | ==== How to support more method ==== | + | ==== How to support more methods ==== |
| - | Default CORS support method: PUSH, GET and HEAD. What if I want to support **OPTIONS** and **DELETE**? \\ | + | By default, CORS supports the following methods: ''PUSH'', ''GET'' and ''HEAD''. What if you want to support ''OPTIONS'' and ''DELETE'', as well? \\ |
| === Method 1: Set from htaccess file=== | === Method 1: Set from htaccess file=== | ||
| - | You can simply append ''Header always set Access-Control-Allow-Methods: <nowiki>"GET,POST,OPTIONS,DELETE"</nowiki>'' to .htaccess file | + | You can simply append ''Header always set Access-Control-Allow-Methods: <nowiki>"GET,POST,OPTIONS,DELETE"</nowiki>'' to the ''.htaccess'' file |
| === Method 2: Set from config=== | === Method 2: Set from config=== | ||
| - | You can simply append **Extra Headers** ''Access-Control-Allow-Methods GET, POST, OPTIONS, DELETE''. \\ {{:litespeed_wiki:config:cors-7.png?|}} \\ | + | You can simply append to **Extra Headers**: ''Access-Control-Allow-Methods GET, POST, OPTIONS, DELETE''. \\ {{:litespeed_wiki:config:cors-7.png?|}} \\ |
| - | You can try verification again with sending **DELETE** HTTP method. You will see 200 response. \\ {{:litespeed_wiki:config:cors-8.png?|}} \\ | + | If you try verification again with the ''DELETE'' HTTP method, you should see the 200 response. \\ {{:litespeed_wiki:config:cors-8.png?|}} \\ |
| ===== More Information ===== | ===== More Information ===== | ||