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// MIT License, Copyright (c) 2020 Marvin Borner
#include <assert.h>
#include <conv.h>
#include <def.h>
#include <http.h>
#include <mem.h>
#include <print.h>
#include <str.h>
char *http_data(char *r)
{
char *h = NULL;
for (u32 i = 0; i < strlen(r); ++i) {
if (r[i] == '\r' && r[i + 1] == '\n' && r[i + 2] == '\r' && r[i + 3] == '\n') {
h = &r[i + 4];
break;
}
}
return h;
}
char *http_code(char *r)
{
char *code = malloc(4);
char tmp = r[12];
r[12] = '\0';
memcpy(code, r + 9, 3);
code[3] = '\0';
r[12] = tmp;
return code;
}
u32 http_response(const char *http_code, u32 content_length, const char *data, char *resp)
{
char buf[16] = { 0 };
resp[0] = '\0';
strcat(resp, "HTTP/1.1 ");
strcat(resp, buf);
strcat(resp, http_code);
strcat(resp, "\r\n");
strcat(resp, "Content-Length: ");
strcat(resp, conv_base(content_length, buf, 10, 0));
strcat(resp, "\r\n");
strcat(resp, "Server: Melvix\r\n");
strcat(resp, "Content-Type: text/html\r\n");
strcat(resp, "Connection: close\r\n\r\n");
u32 len = strlen(resp);
memcpy(&resp[len], data, content_length);
return len + content_length;
}
char *http_query_get(const char *url, const char *path)
{
char *query = malloc(27 + strlen(url)); // TODO: Dynamic http length etc
query[0] = '\0';
strcat(query, "GET ");
if (path[0] != '/')
strcat(query, "/");
strcat(query, path);
strcat(query, " HTTP/1.1\r\nHost: ");
strcat(query, url);
strcat(query, "\r\n\r\n");
return query;
}
char *http_query_path(const char *query, char *path)
{
u8 b = 0;
u32 s = 0;
u32 e = 0;
while (1) {
if (!b && query[e] == ' ' && query[++e]) {
s = e;
b = 1;
} else if (b && query[e] == ' ') {
strncat(path, &query[s], e - s);
break;
} else if (query[e] == '\0') {
return NULL;
}
e++;
}
return path;
}
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