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RPC cleanup: Improve HTTP server replies

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1) support varying content types
2) support only sending the header
3) properly deliver error message as content, if HTTP error
4) move AcceptedConnection class to header, for wider use
This commit is contained in:
Jeff Garzik
2014-06-04 11:24:43 -04:00
parent 236ae8665e
commit c912e22db0
3 changed files with 27 additions and 14 deletions
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17
src/rpcprotocol.cpp
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@@ -54,7 +54,8 @@ static string rfc1123Time()
return DateTimeStrFormat("%a, %d %b %Y %H:%M:%S +0000", GetTime());
}
string HTTPReply(int nStatus, const string& strMsg, bool keepalive)
string HTTPReply(int nStatus, const string& strMsg, bool keepalive,
bool headersOnly, const char *contentType)
{
if (nStatus == HTTP_UNAUTHORIZED)
return strprintf("HTTP/1.0 401 Authorization Required\r\n"
@@ -73,6 +74,7 @@ string HTTPReply(int nStatus, const string& strMsg, bool keepalive)
"</HEAD>\r\n"
"<BODY><H1>401 Unauthorized.</H1></BODY>\r\n"
"</HTML>\r\n", rfc1123Time(), FormatFullVersion());
const char *cStatus;
if (nStatus == HTTP_OK) cStatus = "OK";
else if (nStatus == HTTP_BAD_REQUEST) cStatus = "Bad Request";
@@ -80,12 +82,19 @@ string HTTPReply(int nStatus, const string& strMsg, bool keepalive)
else if (nStatus == HTTP_NOT_FOUND) cStatus = "Not Found";
else if (nStatus == HTTP_INTERNAL_SERVER_ERROR) cStatus = "Internal Server Error";
else cStatus = "";
bool useInternalContent = false;
if (nStatus != HTTP_OK) {
contentType = "text/plain";
useInternalContent = true;
}
return strprintf(
"HTTP/1.1 %d %s\r\n"
"Date: %s\r\n"
"Connection: %s\r\n"
"Content-Length: %u\r\n"
"Content-Type: application/json\r\n"
"Content-Type: %s\r\n"
"Server: bitcoin-json-rpc/%s\r\n"
"\r\n"
"%s",
@@ -94,8 +103,10 @@ string HTTPReply(int nStatus, const string& strMsg, bool keepalive)
rfc1123Time(),
keepalive ? "keep-alive" : "close",
strMsg.size(),
contentType,
FormatFullVersion(),
strMsg);
headersOnly ? "" :
useInternalContent ? cStatus : strMsg.c_str());
}
bool ReadHTTPRequestLine(std::basic_istream<char>& stream, int &proto,