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Plugin Description
This plugin registers secure API endpoints that allow you to request translations directly from DeepL without exposing your Deepl API-key. These endpoints are only accessible when a valid nonce is provided. When providing translations to website visitors, you can configure which languages are supported for translation.
Caching Mechanism
Each object that is translated will store its cached translation in the wp_postmeta table within the database. This caching mechanism ensures that translations are efficiently reused, reducing unnecessary API requests to DeepL and saving costs.
- Serving Cached Translations: If a cached translation is newer than the
post_modified date of the object, the cached version is served.
- Fetching New Translations: When the
post_modified date of the object is more recent than the cached translation, a new translation is fetched from DeepL. Once retrieved, this translation is immediately cached for future use.
This approach minimizes the number of API calls to DeepL, ensuring translations are kept up to date only when necessary.
External Services
This plugin connects to the DeepL API to provide translations for content.
- Service: DeepL API (https://www.deepl.com)
- Purpose: To translate text from one language to another based on the provided target language.
- Data Sent: Text content for translation, the target language code, and the DeepL API key (handled securely and never exposed to users).
- Conditions: Data is sent when a request for translation is initiated.
- Privacy Policy: DeepL Privacy Policy
- Terms of Service: DeepL Terms of Service
Usage
Security
The API endpoints registered by this plugin are secured using a WordPress nonce. The nonce is passed to the front-end using the wp_localize_script function and is stored in a global JavaScript object ydpl which contains the following properties:
ydpl_translate_post_id: The ID of the post to be translated.ydpl_rest_translate_url: The URL of the API endpoint for translation requests.ydpl_supported_languages: The list of languages supported for translation.ydpl_api_request_nonce: The nonce used for API validation.
When making requests to the API, ensure that the nonce is included in the request headers. The header should be named nonce, and it should contain the value of ydpl_api_request_nonce.
Example
Request
var xhr = new XMLHttpRequest();
xhr.open('POST', ydpl.ydpl_rest_translate_url, true);
// Set request headers
xhr.setRequestHeader('Content-Type', 'application/json');
xhr.setRequestHeader('nonce', ydpl.ydpl_api_request_nonce);
// Handle response
xhr.onreadystatechange = function () {
if (xhr.readyState === 4 && xhr.status === 200) {
console.log('Translation:', JSON.parse(xhr.responseText));
} else if (xhr.readyState === 4) {
console.error('Error:', xhr.statusText);
}
};
// Prepare and send the request body
var data = JSON.stringify({
text: ["Look another test"],
target_lang: "DE"
});
xhr.send(data);
Response
[
{
"text": "Look another test!",
"translation": "Sehen Sie sich einen weiteren Test an!"
}
]
Screenshots
No screenshots provided
