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CURLBindings: fix "Send failed since rewinding of the data stream failed" error with 302 redirect

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When CURLOPT_READDATA is specified, not only must we set CURLOPT_READFUNCTION, but we must also set CURLOPT_SEEKFUNCTION to ensure that the data can be resent if there's a redirect.
This commit is contained in:
Josh Tynjala
2022-10-13 11:56:49 -07:00
parent 49d31c3947
commit 4c821525b4
1 changed files with 12 additions and 0 deletions
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12
project/src/net/curl/CURLBindings.cpp
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@@ -1287,6 +1287,13 @@ namespace lime {
} }
static int seek_callback (void *userp, curl_off_t offset, int origin) {
if (origin == SEEK_SET) {
readBytesPosition[userp] = offset;
return CURL_SEEKFUNC_OK;
}
return CURL_SEEKFUNC_CANTSEEK;
}
static size_t read_callback (void *buffer, size_t size, size_t nmemb, void *userp) { static size_t read_callback (void *buffer, size_t size, size_t nmemb, void *userp) {
@@ -1634,6 +1641,9 @@ namespace lime {
readBytesPosition[handle] = 0; readBytesPosition[handle] = 0;
readBytesRoot[handle] = new ValuePointer (bytes); readBytesRoot[handle] = new ValuePointer (bytes);
// seek function is needed to support redirects
curl_easy_setopt (easy_handle, CURLOPT_SEEKFUNCTION, seek_callback);
curl_easy_setopt (easy_handle, CURLOPT_SEEKDATA, handle);
code = curl_easy_setopt (easy_handle, CURLOPT_READFUNCTION, read_callback); code = curl_easy_setopt (easy_handle, CURLOPT_READFUNCTION, read_callback);
curl_easy_setopt (easy_handle, CURLOPT_READDATA, handle); curl_easy_setopt (easy_handle, CURLOPT_READDATA, handle);
@@ -2061,6 +2071,8 @@ namespace lime {
readBytesPosition[handle] = 0; readBytesPosition[handle] = 0;
readBytesRoot[handle] = new ValuePointer ((vobj*)bytes); readBytesRoot[handle] = new ValuePointer ((vobj*)bytes);
curl_easy_setopt (easy_handle, CURLOPT_SEEKFUNCTION, seek_callback);
curl_easy_setopt (easy_handle, CURLOPT_SEEKDATA, handle);
code = curl_easy_setopt (easy_handle, CURLOPT_READFUNCTION, read_callback); code = curl_easy_setopt (easy_handle, CURLOPT_READFUNCTION, read_callback);
curl_easy_setopt (easy_handle, CURLOPT_READDATA, handle); curl_easy_setopt (easy_handle, CURLOPT_READDATA, handle);