telodendria/tools/src/http.c

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/*
* Copyright (C) 2022-2023 Jordan Bancino <@jordan:bancino.net>
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation files
* (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <getopt.h>
#include <unistd.h>
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#include <errno.h>
#include <Args.h>
#include <Memory.h>
#include <Str.h>
#include <HashMap.h>
#include <HttpClient.h>
#include <Uri.h>
#define FLAG_HEADERS (1 << 0)
static void
usage(char *prog)
{
StreamPrintf(StreamStderr(), "Usage: %s [-i -X method -H header -d data] url\n", prog);
}
int
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Main(Array * args)
{
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HttpClientContext *cx = NULL;
HttpStatus res;
HttpRequestMethod method = HTTP_GET;
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Uri *uri = NULL;
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char *data = NULL;
HashMap *requestHeaders = HashMapCreate();
char *key;
char *val;
ArgParseState arg;
int flags = 0;
int requestFlags = HTTP_FLAG_NONE;
int ch;
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int ret = 1;
ArgParseStateInit(&arg);
while ((ch = ArgParse(&arg, args, "iH:X:d:")) != -1)
{
switch (ch)
{
case 'i':
flags |= FLAG_HEADERS;
break;
case 'X':
method = HttpRequestMethodFromString(arg.optArg);
if (!method)
{
StreamPrintf(StreamStderr(), "Unknown request method: %s\n", arg.optArg);
return 1;
}
break;
case 'H':
key = arg.optArg;
val = arg.optArg;
while (*val && *val != ':')
{
val++;
}
*val = '\0';
val++;
while (*val && isspace((unsigned char) *val))
{
val++;
}
HashMapSet(requestHeaders, key, StrDuplicate(val));
break;
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case 'd':
data = arg.optArg;
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break;
default:
usage(ArrayGet(args, 0));
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goto finish;
}
}
if (ArraySize(args) - arg.optInd < 1)
{
usage(ArrayGet(args, 0));
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goto finish;
}
uri = UriParse(ArrayGet(args, arg.optInd));
if (!uri)
{
StreamPrintf(StreamStderr(), "Failed to parse URI: %s\n", ArrayGet(args, arg.optInd));
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goto finish;
}
if (!uri->port)
{
if (StrEquals(uri->proto, "https"))
{
uri->port = 443;
}
else if (StrEquals(uri->proto, "http"))
{
uri->port = 80;
}
}
if (!uri->port)
{
StreamPrintf(StreamStderr(), "Unknown protocol: %s\n", uri->proto);
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goto finish;
}
if (StrEquals(uri->proto, "https"))
{
requestFlags |= HTTP_FLAG_TLS;
}
cx = HttpRequest(method, requestFlags, uri->port, uri->host, uri->path);
if (!cx)
{
StreamPuts(StreamStderr(), "Failed to connect.\n");
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goto finish;
}
while (HashMapIterate(requestHeaders, &key, (void **) &val))
{
HttpRequestHeader(cx, key, val);
Free(val);
}
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if (data)
{
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if (*data == '@')
{
Stream *in;
int len;
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data++;
if (StrEquals(data, "-"))
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{
in = StreamStdin();
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}
else
{
in = StreamOpen(data, "r");
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}
if (!in)
{
StreamPrintf(StreamStderr(), "%s: %s\n", data, strerror(errno));
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goto finish;
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}
len = StreamSeek(in, 0, SEEK_END);
if (len > -1)
{
char *lenStr;
int nBytes;
StreamSeek(in, 0, SEEK_SET);
nBytes = snprintf(NULL, 0, "%d", len);
lenStr = Malloc(nBytes + 1);
snprintf(lenStr, nBytes + 1, "%d", len);
HttpRequestHeader(cx, "Content-Length", lenStr);
Free(lenStr);
}
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HttpRequestSendHeaders(cx);
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StreamCopy(in, HttpClientStream(cx));
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if (in != StreamStdin())
{
StreamClose(in);
}
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}
else
{
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char *lenStr;
int len = strlen(data);
int nBytes = snprintf(NULL, 0, "%d", len);
lenStr = Malloc(nBytes + 1);
snprintf(lenStr, nBytes + 1, "%d", len);
HttpRequestHeader(cx, "Content-Length", lenStr);
Free(lenStr);
HttpRequestSendHeaders(cx);
StreamPuts(HttpClientStream(cx), data);
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}
}
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else
{
HttpRequestSendHeaders(cx);
}
res = HttpRequestSend(cx);
if (!res)
{
StreamPuts(StreamStderr(), "Failed to send request.\n");
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goto finish;
}
if (flags & FLAG_HEADERS)
{
HashMap *responseHeaders = HttpResponseHeaders(cx);
StreamPrintf(StreamStdout(), "HTTP/1.0 %d %s\n", res, HttpStatusToString(res));
while (HashMapIterate(responseHeaders, &key, (void **) &val))
{
StreamPrintf(StreamStdout(), "%s: %s\n", key, val);
}
StreamPutc(StreamStdout(), '\n');
}
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StreamCopy(HttpClientStream(cx), StreamStdout());
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ret = !(res == HTTP_OK);
finish:
HashMapFree(requestHeaders);
HttpClientContextFree(cx);
UriFree(uri);
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return ret;
}