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http: Allow retrieving other headers.

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Such as range request headers, accept headers, cookies, etc.
This commit is contained in:
Unknown W. Brackets 2016-05-25 22:21:24 -07:00
parent 41e7d3ecde
commit 1cc49f3be4
4 changed files with 31 additions and 6 deletions
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16
ext/native/net/http_headers.cpp
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@ -1,5 +1,6 @@
#include "net/http_headers.h"
#include <algorithm>
#include <stdio.h>
#include <stdlib.h>
@ -40,6 +41,15 @@ bool RequestHeader::GetParamValue(const char *param_name, std::string *value) co
return false;
}
bool RequestHeader::GetOther(const char *name, std::string *value) const {
auto it = other.find(name);
if (it != other.end()) {
*value = it->second;
return true;
}
return false;
}
// Intended to be a mad fast parser. It's not THAT fast currently, there's still
// things to optimize, but meh.
int RequestHeader::ParseHttpHeader(const char *buffer) {
@ -57,7 +67,7 @@ int RequestHeader::ParseHttpHeader(const char *buffer) {
buffer += 5;
} else {
method = UNSUPPORTED;
status = 501;
status = 405;
return -1;
}
SkipSpace(&buffer);
@ -117,6 +127,10 @@ int RequestHeader::ParseHttpHeader(const char *buffer) {
} else if (!strncasecmp(key, "Content-Length", key_len)) {
content_length = atoi(buffer);
ILOG("Content-Length: %i", (int)content_length);
} else {
std::string key_str(key, key_len);
std::transform(key_str.begin(), key_str.end(), key_str.begin(), tolower);
other[key_str] = buffer;
}
return 0;

4
ext/native/net/http_headers.h
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@ -1,6 +1,8 @@
#ifndef _NET_HTTP_HTTP_HEADERS
#define _NET_HTTP_HTTP_HEADERS
#include <string>
#include <unordered_map>
#include "base/buffer.h"
namespace net {
@ -22,6 +24,7 @@ class RequestHeader {
char *resource;
char *params;
int content_length;
std::unordered_map<std::string, std::string> other;
enum RequestType {
SIMPLE, FULL,
};
@ -36,6 +39,7 @@ class RequestHeader {
bool ok;
void ParseHeaders(net::InputSink *sink);
bool GetParamValue(const char *param_name, std::string *value) const;
bool GetOther(const char *name, std::string *value) const;
private:
int ParseHttpHeader(const char *buffer);
bool first_header_;

11
ext/native/net/http_server.cpp
View File

@ -34,6 +34,9 @@
namespace http {
// Note: charset here helps prevent XSS.
const char *const DEFAULT_MIME_TYPE = "text/html; charset=utf-8";
Request::Request(int fd)
: fd_(fd) {
in_ = new net::InputSink(fd);
@ -56,14 +59,14 @@ Request::~Request() {
delete out_;
}
void Request::WriteHttpResponseHeader(int status, int size) const {
void Request::WriteHttpResponseHeader(int status, int size, const char *mimeType) const {
net::OutputSink *buffer = Out();
buffer->Printf("HTTP/1.0 %d OK\r\n", status);
buffer->Printf("HTTP/1.0 %03d OK\r\n", status);
buffer->Push("Server: SuperDuperServer v0.1\r\n");
buffer->Push("Content-Type: text/html\r\n");
buffer->Printf("Content-Type: %s\r\n", mimeType ? mimeType : DEFAULT_MIME_TYPE);
buffer->Push("Connection: close\r\n");
if (size >= 0) {
buffer->Printf("Content-Length: %i\r\n", size);
buffer->Printf("Content-Length: %u\r\n", size);
}
buffer->Push("\r\n");
}

6
ext/native/net/http_server.h
View File

@ -27,6 +27,10 @@ class Request {
bool GetParamValue(const char *param_name, std::string *value) const {
return header_.GetParamValue(param_name, value);
}
// Use lowercase.
bool GetHeader(const char *name, std::string *value) const {
return header_.GetOther(name, value);
}
net::InputSink *In() const { return in_; }
net::OutputSink *Out() const { return out_; }
@ -41,7 +45,7 @@ class Request {
bool IsOK() const { return fd_ > 0; }
// If size is negative, no Content-Length: line is written.
void WriteHttpResponseHeader(int status, int size = -1) const;
void WriteHttpResponseHeader(int status, int size = -1, const char *mimeType = nullptr) const;
private:
net::InputSink *in_;