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Merge pull request #5376

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8a5c951 [REST] make selection of output-format mandatory, support dot url syntax (Jonas Schnelli)
pull/5411/head
Wladimir J. van der Laan 10 years ago
parent 7026cbd6db 8a5c9513ba
commit fec0d100d5
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GPG Key ID: 74810B012346C9A6
1 changed files with 57 additions and 32 deletions
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89
src/rest.cpp
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@ -18,6 +18,7 @@ using namespace std;
using namespace json_spirit;
enum RetFormat {
RF_UNDEF,
RF_BINARY,
RF_HEX,
RF_JSON,
@ -25,14 +26,16 @@ enum RetFormat {
static const struct {
enum RetFormat rf;
const char *name;
const char* name;
} rf_names[] = {
{ RF_BINARY, "binary" }, // default, if match not found
{ RF_HEX, "hex" },
{ RF_JSON, "json" },
{RF_UNDEF, ""},
{RF_BINARY, "bin"},
{RF_HEX, "hex"},
{RF_JSON, "json"},
};
class RestErr {
class RestErr
{
public:
enum HTTPStatusCode status;
string message;
@ -49,15 +52,34 @@ static RestErr RESTERR(enum HTTPStatusCode status, string message)
return re;
}
static enum RetFormat ParseDataFormat(const string& format)
static enum RetFormat ParseDataFormat(vector<string>& params, const string strReq)
{
for (unsigned int i = 0; i < ARRAYLEN(rf_names); i++)
if (format == rf_names[i].name)
return rf_names[i].rf;
boost::split(params, strReq, boost::is_any_of("."));
if (params.size() > 1) {
for (unsigned int i = 0; i < ARRAYLEN(rf_names); i++)
if (params[1] == rf_names[i].name)
return rf_names[i].rf;
}
return rf_names[0].rf;
}
static string AvailableDataFormatsString()
{
string formats = "";
for (unsigned int i = 0; i < ARRAYLEN(rf_names); i++)
if (strlen(rf_names[i].name) > 0) {
formats.append(".");
formats.append(rf_names[i].name);
formats.append(", ");
}
if (formats.length() > 0)
return formats.substr(0, formats.length() - 2);
return formats;
}
static bool ParseHashStr(const string& strReq, uint256& v)
{
if (!IsHex(strReq) || (strReq.size() != 64))
@ -67,15 +89,13 @@ static bool ParseHashStr(const string& strReq, uint256& v)
return true;
}
static bool rest_block(AcceptedConnection *conn,
static bool rest_block(AcceptedConnection* conn,
string& strReq,
map<string, string>& mapHeaders,
bool fRun)
{
vector<string> params;
boost::split(params, strReq, boost::is_any_of("/"));
enum RetFormat rf = ParseDataFormat(params.size() > 1 ? params[1] : string(""));
enum RetFormat rf = ParseDataFormat(params, strReq);
string hashStr = params[0];
uint256 hash;
@ -105,7 +125,7 @@ static bool rest_block(AcceptedConnection *conn,
}
case RF_HEX: {
string strHex = HexStr(ssBlock.begin(), ssBlock.end()) + "\n";;
string strHex = HexStr(ssBlock.begin(), ssBlock.end()) + "\n";
conn->stream() << HTTPReply(HTTP_OK, strHex, fRun, false, "text/plain") << std::flush;
return true;
}
@ -115,22 +135,24 @@ static bool rest_block(AcceptedConnection *conn,
string strJSON = write_string(Value(objBlock), false) + "\n";
conn->stream() << HTTPReply(HTTP_OK, strJSON, fRun) << std::flush;
return true;
}
}
default: {
throw RESTERR(HTTP_NOT_FOUND, "output format not found (available: " + AvailableDataFormatsString() + ")");
}
}
// not reached
return true; // continue to process further HTTP reqs on this cxn
return true; // continue to process further HTTP reqs on this cxn
}
static bool rest_tx(AcceptedConnection *conn,
static bool rest_tx(AcceptedConnection* conn,
string& strReq,
map<string, string>& mapHeaders,
bool fRun)
{
vector<string> params;
boost::split(params, strReq, boost::is_any_of("/"));
enum RetFormat rf = ParseDataFormat(params.size() > 1 ? params[1] : string(""));
enum RetFormat rf = ParseDataFormat(params, strReq);
string hashStr = params[0];
uint256 hash;
@ -153,7 +175,7 @@ static bool rest_tx(AcceptedConnection *conn,
}
case RF_HEX: {
string strHex = HexStr(ssTx.begin(), ssTx.end()) + "\n";;
string strHex = HexStr(ssTx.begin(), ssTx.end()) + "\n";
conn->stream() << HTTPReply(HTTP_OK, strHex, fRun, false, "text/plain") << std::flush;
return true;
}
@ -165,33 +187,37 @@ static bool rest_tx(AcceptedConnection *conn,
conn->stream() << HTTPReply(HTTP_OK, strJSON, fRun) << std::flush;
return true;
}
default: {
throw RESTERR(HTTP_NOT_FOUND, "output format not found (available: " + AvailableDataFormatsString() + ")");
}
}
// not reached
return true; // continue to process further HTTP reqs on this cxn
return true; // continue to process further HTTP reqs on this cxn
}
static const struct {
const char *prefix;
bool (*handler)(AcceptedConnection *conn,
const char* prefix;
bool (*handler)(AcceptedConnection* conn,
string& strURI,
map<string, string>& mapHeaders,
bool fRun);
} uri_prefixes[] = {
{ "/rest/tx/", rest_tx },
{ "/rest/block/", rest_block },
{"/rest/tx/", rest_tx},
{"/rest/block/", rest_block},
};
bool HTTPReq_REST(AcceptedConnection *conn,
bool HTTPReq_REST(AcceptedConnection* conn,
string& strURI,
map<string, string>& mapHeaders,
bool fRun)
{
try {
std::string statusmessage;
if(RPCIsInWarmup(&statusmessage))
throw RESTERR(HTTP_SERVICE_UNAVAILABLE, "Service temporarily unavailable: "+statusmessage);
if (RPCIsInWarmup(&statusmessage))
throw RESTERR(HTTP_SERVICE_UNAVAILABLE, "Service temporarily unavailable: " + statusmessage);
for (unsigned int i = 0; i < ARRAYLEN(uri_prefixes); i++) {
unsigned int plen = strlen(uri_prefixes[i].prefix);
if (strURI.substr(0, plen) == uri_prefixes[i].prefix) {
@ -199,8 +225,7 @@ bool HTTPReq_REST(AcceptedConnection *conn,
return uri_prefixes[i].handler(conn, strReq, mapHeaders, fRun);
}
}
}
catch (RestErr& re) {
} catch (RestErr& re) {
conn->stream() << HTTPReply(re.status, re.message + "\r\n", false, false, "text/plain") << std::flush;
return false;
}

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