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Add webpage translation functionality #25

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@SleeplessOne1917 SleeplessOne1917 commented May 12, 2023

This is implementing the enhancement from #21. Closes #21.

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@JanEbbing JanEbbing left a comment

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Thanks so much, this looks great! Just some small nitpicks.
There is also a CHANGELOG.md file where you should mention this.

I can add a test for this later.
I also think there's a slightly cleaner way to enable the HTTPClient to make external HTTP requests, I will think a bit about it.

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@@ -1003,6 +1056,18 @@ export class Translator {
return libraryInfoString;
}

private async getContentFromWebpage(webpageUrl: string | URL): Promise<string> {
const { statusCode, content, contentType } =
await this.httpClient.sendRequestWithBackoff<string>('GET', webpageUrl.toString());
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Actually, using this method will leak the DeepL API key to this website (as it's in the headers).
I think a simple way to solve this is to add a method like sendExternalWebRequest to the httpClient, that just reimplements sending an HTTP request, using e.g. the proxy config from the client and any options added in the request, and use that for the downloadWebpage functionality.

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I ended up stripping the Authorization header from the request before it gets sent if the request is a webpage request. It seemed more straightforward than making a whole new function. See my other comment.

options,
);

if (!isDeepLUrl && axiosRequestConfig.headers) {
delete axiosRequestConfig.headers.Authorization;
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This is where I strip the API key if the request is going to an external domain.

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@JanEbbing I made the requested changes awhile ago. Pinging you in case you didn't see.

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Manually deleting the API key from the headers seems fine to me. Requesting 2 small changes, then this should be good to go, thanks so much for your work!

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Awesome, thanks - as this is a bigger feature we are going through an internal review at the moment. To be consistent with the project standards, could you please squash all commits into a single one and use conventional commit naming (feat: Add webpage translation functionality)

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I can do that, although isn't commit squashing done at merge time?

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SleeplessOne1917 commented Sep 21, 2023

@JanEbbing Does github give you an option to squash commits before merging PR's? It's probably more straightforward to do it that way if available. I figured it out.

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When will this be merged? It's a great feature!

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Feature Idea: Translate webpage from url
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