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Support for Transfer-Encoding headers that specify "identify" (#5486)

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In [HTTPClient](https://github.com/espressif/arduino-esp32/tree/master/libraries/HTTPClient), if the `Transfer-Encoding` header is set to `identity`, an error (Transfer-Encoding not supported) will occur.

HTTPClient will consider the request as `identity` if the `Transfer-Encoding` header is not set. But it is also defined a response with `identity` explicitly set in the `Transfer-Encoding` header (ref:[MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Transfer-Encoding)).

This pull request will allow the request to be processed normally even when `identity` is explicitly set.
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t-oot 2021-08-02 21:04:48 +09:00 committed by GitHub
parent 4365a45401
commit 31127f4260
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libraries/HTTPClient/src/HTTPClient.cpp
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@ -1264,6 +1264,8 @@ int HTTPClient::handleHeaderResponse()
log_d("Transfer-Encoding: %s", transferEncoding.c_str());
if(transferEncoding.equalsIgnoreCase("chunked")) {
_transferEncoding = HTTPC_TE_CHUNKED;
} else if(transferEncoding.equalsIgnoreCase("identity")) {
_transferEncoding = HTTPC_TE_IDENTITY;
} else {
return HTTPC_ERROR_ENCODING;
}