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Made File.readFile async.

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git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3667 ed5197a5-7fde-0310-b194-c3ffbd925b24
This commit is contained in:
Cory McWilliams 2021-10-06 01:25:33 +00:00
parent 24a91219c1
commit 470814f147
5 changed files with 196 additions and 144 deletions
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7
core/auth.js
View File

@ -120,7 +120,8 @@ function authHandler(request, response) {
response.writeHead(303, {"Location": formData.return, "Set-Cookie": cookie});
response.end();
} else {
var html = new TextDecoder("UTF-8").decode(File.readFile("core/auth.html"));
File.readFile("core/auth.html").then(function(data) {
var html = new TextDecoder("UTF-8").decode(data);
var contents = "";
if (entry) {
@ -157,6 +158,10 @@ function authHandler(request, response) {
var text = html.replace("<!--SESSION-->", contents);
response.writeHead(200, {"Content-Type": "text/html; charset=utf-8", "Set-Cookie": cookie, "Content-Length": text.length});
response.end(text);
}).catch(function(error) {
response.writeHead(404, {"Content-Type": "text/plain; charset=utf-8", "Connection": "close"});
response.end("404 File not found");
});
}
} else if (request.uri == "/login/logout") {
removeSession(session);

76
core/core.js
View File

@ -138,48 +138,14 @@ async function getSessionProcessBlob(blobId, session, options) {
return getProcessBlob(blobId, 'session_' + session, actualOptions);
}
function readFileUtf8(fileName) {
let data = File.readFile(fileName);
async function readFileUtf8(fileName) {
let data = await File.readFile(fileName);
data = utf8Decode(data);
return data;
}
let gManifestCache = {};
async function getManifest(fileName) {
let oldEntry = gManifestCache[fileName];
let stat = await File.stat(fileName);
if (oldEntry) {
if (oldEntry.stat.mtime == stat.mtime && oldEntry.stat.size == stat.size) {
return oldEntry.manifest;
}
}
let manifest = [];
let lines = readFileUtf8(fileName).split("\n").map(x => x.trimRight());
for (let i = 0; i < lines.length; i++) {
if (lines[i].substring(0, 4) == "//! ") {
manifest.push(lines[i].substring(4));
}
}
let result;
try {
if (manifest.length) {
result = JSON.parse(manifest.join("\n"));
}
} catch (error) {
print("ERROR: getManifest(" + fileName + "): ", error);
// Oh well. No manifest.
}
gManifestCache[fileName] = {
stat: stat,
manifest: result,
};
return result;
}
async function getProcessBlob(blobId, key, options) {
var process = gProcesses[key];
if (!process
@ -319,15 +285,6 @@ function setGlobalSettings(settings) {
}
}
try {
var data = readFileUtf8(kGlobalSettingsFile);
if (data) {
gGlobalSettings = JSON.parse(data);
}
} catch (error) {
print("Error loading settings from " + kGlobalSettingsFile + ": " + error);
}
var kStaticFiles = [
{uri: '/', path: 'index.html', type: 'text/html; charset=UTF-8'},
{uri: '/style.css', path: 'style.css', type: 'text/css; charset=UTF-8'},
@ -351,7 +308,7 @@ function startsWithBytes(data, bytes) {
async function staticFileHandler(request, response, blobId, uri) {
for (var i in kStaticFiles) {
if (uri === kStaticFiles[i].uri) {
var data = File.readFile("core/" + kStaticFiles[i].path);
var data = await File.readFile("core/" + kStaticFiles[i].path);
response.writeHead(200, {"Content-Type": kStaticFiles[i].type, "Content-Length": data.byteLength});
response.end(data);
return;
@ -403,7 +360,7 @@ async function blobHandler(request, response, blobId, uri) {
for (var i in kStaticFiles) {
if (uri === kStaticFiles[i].uri) {
found = true;
var data = File.readFile("core/" + kStaticFiles[i].path);
var data = await File.readFile("core/" + kStaticFiles[i].path);
response.writeHead(200, {"Content-Type": kStaticFiles[i].type, "Content-Length": data.byteLength});
response.end(data);
break;
@ -483,10 +440,22 @@ ssb.onConnectionsChanged = function() {
broadcastEvent('onConnectionsChanged', []);
}
var auth = require("auth");
var httpd = require("httpd");
httpd.all("/login", auth.handler);
httpd.all("", function(request, response) {
async function loadSettings() {
try {
var data = await readFileUtf8(kGlobalSettingsFile);
if (data) {
gGlobalSettings = JSON.parse(data);
}
} catch (error) {
print("Error loading settings from " + kGlobalSettingsFile + ": " + error);
}
}
loadSettings().then(function() {
var auth = require("auth");
var httpd = require("httpd");
httpd.all("/login", auth.handler);
httpd.all("", function(request, response) {
var match;
if (request.uri === "/" || request.uri === "") {
response.writeHead(303, {"Location": 'http://' + request.headers.host + gGlobalSettings.index, "Content-Length": "0"});
@ -519,5 +488,8 @@ httpd.all("", function(request, response) {
response.writeHead(404, {"Content-Type": "text/plain; charset=utf-8", "Content-Length": data.length.toString()});
return response.end(data);
}
});
httpd.registerSocketHandler("/app/socket", app.socket);
}).catch(function(error) {
print('Failed to load settings.');
});
httpd.registerSocketHandler("/app/socket", app.socket);

93
src/file.c
View File

@ -45,41 +45,84 @@ void tf_file_init(JSContext* context) {
JS_FreeValue(context, global);
}
static void _free_array_buffer_data(JSRuntime* runtime, void* opaque, void* ptr) {
free(ptr);
static const int k_file_read_max = 4 * 1024 * 1024;
static void _file_read_close_callback(uv_fs_t* req)
{
uv_fs_req_cleanup(req);
free(req);
}
static JSValue _file_read_file(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv) {
const char* file_name = JS_ToCString(context, argv[0]);
FILE* file = fopen(file_name, "rb");
JS_FreeCString(context, file_name);
if (!file) {
return JS_NULL;
}
long size = 0;
if (fseek(file, 0, SEEK_END) == 0) {
size = ftell(file);
}
if (size >= 0 &&
size < 4 * 1024 * 1024 &&
fseek(file, 0, SEEK_SET) == 0) {
uint8_t* data = malloc(size);
if (data &&
fread(data, 1, size, file) == (size_t)size) {
JSValue arrayBuffer = JS_NewArrayBuffer(context, data, size, _free_array_buffer_data, NULL, false);
static void _file_read_read_callback(uv_fs_t* req)
{
uv_fs_req_cleanup(req);
tf_task_t* task = req->loop->data;
JSContext* context = tf_task_get_context(task);
promiseid_t promise = (promiseid_t)(intptr_t)req->data;
if (req->result >= 0)
{
JSValue arrayBuffer = JS_NewArrayBufferCopy(context, (uint8_t*)(req + 1), req->result);
JSValue global = JS_GetGlobalObject(context);
JSValue constructor = JS_GetPropertyStr(context, global, "Uint8Array");
JSValue typedArray = JS_CallConstructor(context, constructor, 1, &arrayBuffer);
JS_FreeValue(context, constructor);
JS_FreeValue(context, global);
JS_FreeValue(context, arrayBuffer);
return typedArray;
} else if (data) {
free(data);
tf_task_resolve_promise(task, promise, typedArray);
JS_FreeValue(context, typedArray);
}
else
{
tf_task_reject_promise(task, promise, JS_ThrowInternalError(context, uv_strerror(req->result)));
}
int result = uv_fs_close(req->loop, req, req->file, _file_read_close_callback);
if (result < 0)
{
free(req);
}
}
static void _file_read_open_callback(uv_fs_t* req)
{
uv_fs_req_cleanup(req);
tf_task_t* task = req->loop->data;
JSContext* context = tf_task_get_context(task);
promiseid_t promise = (promiseid_t)(intptr_t)req->data;
if (req->result >= 0)
{
uv_buf_t buf = { .base = (char*)(req + 1), .len = k_file_read_max };
uv_file file = req->result;
int result = uv_fs_read(req->loop, req, file, &buf, 1, 0, _file_read_read_callback);
if (result < 0)
{
tf_task_reject_promise(task, promise, JS_ThrowInternalError(context, uv_strerror(result)));
result = uv_fs_close(req->loop, req, file, _file_read_close_callback);
}
}
return JS_NULL;
else
{
tf_task_reject_promise(task, promise, JS_ThrowInternalError(context, uv_strerror(req->result)));
free(req);
}
}
static JSValue _file_read_file(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv) {
void* task = JS_GetContextOpaque(context);
const char* file_name = JS_ToCString(context, argv[0]);
promiseid_t promise = tf_task_allocate_promise(task);
uv_fs_t* req = malloc(sizeof(uv_fs_t) + k_file_read_max);
*req = (uv_fs_t)
{
.data = (void*)(intptr_t)promise,
};
int result = uv_fs_open(tf_task_get_loop(task), req, file_name, UV_FS_O_RDONLY, 0, _file_read_open_callback);
if (result < 0)
{
tf_task_reject_promise(task, promise, JS_ThrowInternalError(context, uv_strerror(result)));
}
JS_FreeCString(context, file_name);
return tf_task_get_promise(task, promise);
}
static JSValue _file_write_file(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv) {

1
src/task.c
View File

@ -1142,6 +1142,7 @@ tf_task_t* tf_task_create() {
tf_task_t* task = malloc(sizeof(tf_task_t));
*task = (tf_task_t) { 0 };
task->_loop = uv_loop_new();
task->_loop->data = task;
++_count;
task->_runtime = JS_NewRuntime();
task->_context = JS_NewContext(task->_runtime);

31
src/tests.c
View File

@ -480,6 +480,36 @@ static void _test_socket(const tf_test_options_t* options)
unlink("out/test.js");
}
static void _test_file(const tf_test_options_t* options)
{
FILE* file = fopen("out/test.js", "w");
fprintf(file,
"'use strict';\n"
"File.readFile('out/test.js').then(function(data) {\n"
" print('READ', utf8Decode(data));\n"
"}).catch(function(error) {\n"
" print('ERROR', error);\n"
" exit(1);\n"
"});\n"
"File.readFile('out/missing.txt').then(function(data) {\n"
" print('READ', utf8Decode(data));\n"
" exit(1);\n"
"}).catch(function(error) {\n"
" print('expected error', error);\n"
"});\n");
fclose(file);
char command[256];
snprintf(command, sizeof(command), "%s run --ssb-port=0 -s out/test.js", options->exe_path);
printf("%s\n", command);
int result = system(command);
printf("returned %d\n", WEXITSTATUS(result));
assert(WIFEXITED(result));
assert(WEXITSTATUS(result) == 0);
unlink("out/test.js");
}
static void _tf_test_run(const tf_test_options_t* options, const char* name, void (*test)(const tf_test_options_t* options))
{
bool specified = false;
@ -521,5 +551,6 @@ void tf_tests(const tf_test_options_t* options)
_tf_test_run(options, "icu", _test_icu);
_tf_test_run(options, "uint8array", _test_uint8array);
_tf_test_run(options, "socket", _test_socket);
_tf_test_run(options, "file", _test_file);
printf("Tests completed.\n");
}