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Use picohttpparser for responses, too.

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git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4362 ed5197a5-7fde-0310-b194-c3ffbd925b24
This commit is contained in:
Cory McWilliams 2023-07-23 01:12:11 +00:00
parent b6dffa8e66
commit 1c52446331
3 changed files with 86 additions and 5 deletions
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22
core/http.js
View File

@ -31,7 +31,7 @@ function parseResponse(data) {
export function fetch(url, options, allowed_hosts) {
let parsed = parseUrl(url);
return new Promise(function(resolve, reject) {
if (allowed_hosts.indexOf(parsed.host) == -1) {
if ((allowed_hosts ?? []).indexOf(parsed.host) == -1) {
throw new Error(`fetch() request to host ${parsed.host} is not allowed.`);
}
let socket = new Socket();
@ -45,6 +45,26 @@ export function fetch(url, options, allowed_hosts) {
newBuffer.set(data, buffer.length);
buffer = newBuffer;
} else {
let result = parseHttpResponse(buffer);
if (!result) {
reject(new Exception('Parse failed.'));
}
if (typeof result == 'number') {
if (result == -2) {
reject('Incomplete request.');
} else {
reject('Bad request.');
}
} else if (typeof result == 'object') {
resolve({
body: buffer.slice(result.bytes_parsed),
status: result.status,
message: result.message,
headers: result.headers,
});
} else {
reject(new Exception('Unexpected parse result.'));
}
resolve(parseResponse(utf8Decode(buffer)));
}
});

2
core/httpd.js
View File

@ -473,7 +473,7 @@ function handleConnection(client) {
if (parsing_header)
{
let result = parseHttp(inputBuffer, inputBuffer.length - data.length);
let result = parseHttpRequest(inputBuffer, inputBuffer.length - data.length);
if (result) {
if (typeof result === 'number') {
if (result == -2) {

67
src/util.js.c
View File

@ -240,7 +240,7 @@ static JSValue _util_setTimeout(JSContext* context, JSValueConst this_val, int a
return JS_NULL;
}
static JSValue _util_parseHttp(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
static JSValue _util_parseHttpRequest(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
{
JSValue result = JS_UNDEFINED;
const char* method = NULL;
@ -269,7 +269,7 @@ static JSValue _util_parseHttp(JSContext* context, JSValueConst this_val, int ar
if (array)
{
int parse_result = phr_parse_request((const char*)array, length, &method, &method_length, &path, &path_length, &minor_version, headers, &header_count, 0);
int parse_result = phr_parse_request((const char*)array, length, &method, &method_length, &path, &path_length, &minor_version, headers, &header_count, previous_length);
if (parse_result > 0)
{
result = JS_NewObject(context);
@ -298,6 +298,66 @@ static JSValue _util_parseHttp(JSContext* context, JSValueConst this_val, int ar
JS_FreeValue(context, buffer);
return result;
}
static JSValue _util_parseHttpResponse(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
{
JSValue result = JS_UNDEFINED;
int status = 0;
int minor_version = 0;
const char* message = NULL;
size_t message_length = 0;
struct phr_header headers[100];
size_t header_count = sizeof(headers) / sizeof(*headers);
int previous_length = 0;
JS_ToInt32(context, &previous_length, argv[1]);
JSValue buffer = JS_UNDEFINED;
size_t length;
uint8_t* array = tf_util_try_get_array_buffer(context, &length, argv[0]);
if (!array)
{
size_t offset;
size_t element_size;
buffer = tf_util_try_get_typed_array_buffer(context, argv[0], &offset, &length, &element_size);
if (!JS_IsException(buffer))
{
array = tf_util_try_get_array_buffer(context, &length, buffer);
}
}
if (array)
{
int parse_result = phr_parse_response((const char*)array, length, &minor_version, &status, &message, &message_length, headers, &header_count, previous_length);
if (parse_result > 0)
{
result = JS_NewObject(context);
JS_SetPropertyStr(context, result, "bytes_parsed", JS_NewInt32(context, parse_result));
JS_SetPropertyStr(context, result, "minor_version", JS_NewInt32(context, minor_version));
JS_SetPropertyStr(context, result, "status", JS_NewInt32(context, status));
JS_SetPropertyStr(context, result, "message", JS_NewStringLen(context, message, message_length));
JSValue header_object = JS_NewObject(context);
for (int i = 0; i < (int)header_count; i++)
{
char name[256];
snprintf(name, sizeof(name), "%.*s", (int)headers[i].name_len, headers[i].name);
JS_SetPropertyStr(context, header_object, name, JS_NewStringLen(context, headers[i].value, headers[i].value_len));
}
JS_SetPropertyStr(context, result, "headers", header_object);
}
else
{
result = JS_NewInt32(context, parse_result);
}
}
else
{
result = JS_ThrowTypeError(context, "Could not convert argument to array.");
}
JS_FreeValue(context, buffer);
return result;
}
@ -372,7 +432,8 @@ void tf_util_register(JSContext* context)
JS_SetPropertyStr(context, global, "base64Encode", JS_NewCFunction(context, _util_base64_encode, "base64Encode", 1));
JS_SetPropertyStr(context, global, "print", JS_NewCFunction(context, _util_print, "print", 1));
JS_SetPropertyStr(context, global, "setTimeout", JS_NewCFunction(context, _util_setTimeout, "setTimeout", 2));
JS_SetPropertyStr(context, global, "parseHttp", JS_NewCFunction(context, _util_parseHttp, "parseHttp", 2));
JS_SetPropertyStr(context, global, "parseHttpRequest", JS_NewCFunction(context, _util_parseHttpRequest, "parseHttpRequest", 2));
JS_SetPropertyStr(context, global, "parseHttpResponse", JS_NewCFunction(context, _util_parseHttpResponse, "parseHttpResponse", 2));
JS_SetPropertyStr(context, global, "sha1Digest", JS_NewCFunction(context, _util_sha1_digest, "sha1Digest", 1));
JS_SetPropertyStr(context, global, "maskBytes", JS_NewCFunction(context, _util_mask_bytes, "maskBytes", 2));
JS_FreeValue(context, global);