cory/tildefriends
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http+js: Move app blob handling from JS to C. handler.js support has been temporarily removed.

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This commit is contained in:
Cory McWilliams 2024-11-02 21:37:14 -04:00
parent 30d108fc35
commit 5da63faf1f
3 changed files with 134 additions and 164 deletions
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4
apps/test/app.js
View File

@ -1 +1,3 @@
app.setDocument('<p style="color: #fff">Maybe one day this app will run tests, but for now there is nothing to see here.</p>');
app.setDocument(
'<p style="color: #fff">Maybe one day this app will run tests, but for now there is nothing to see here.</p>'
);

160
core/core.js
View File

@ -851,154 +851,6 @@ function sendData(response, data, type, headers, status_code) {
}
}
let g_handler_index = 0;
/**
* TODOC
* @param {*} response
* @param {*} handler_blob_id
* @param {*} path
* @param {*} query
* @param {*} headers
* @param {*} packageOwner
* @param {*} packageName
* @returns
*/
async function useAppHandler(
response,
handler_blob_id,
path,
query,
headers,
packageOwner,
packageName
) {
print('useAppHandler', packageOwner, packageName);
let do_resolve;
let promise = new Promise(async function (resolve, reject) {
do_resolve = resolve;
});
let process;
let result;
try {
process = await getProcessBlob(
handler_blob_id,
'handler_' + g_handler_index++,
{
script: 'handler.js',
imports: {
request: {
path: path,
query: query,
},
respond: do_resolve,
},
credentials: await httpd.auth_query(headers),
packageOwner: packageOwner,
packageName: packageName,
}
);
await process.ready;
result = await promise;
} finally {
if (process?.task) {
await process.task.kill();
}
}
return result;
}
/**
* TODOC
* @param {*} request
* @param {*} response
* @param {*} blobId
* @param {*} uri
* @returns
*/
async function blobHandler(request, response, blobId, uri) {
let process;
let data;
let match;
let id;
let app_id = blobId;
let packageOwner;
let packageName;
if ((match = /^\/\~(\w+)\/(\w+)$/.exec(blobId))) {
packageOwner = match[1];
packageName = match[2];
let db = new Database(match[1]);
app_id = await db.get('path:' + match[2]);
}
let app_object = JSON.parse(utf8Decode(await ssb.blobGet(app_id)));
id = app_object?.files[uri.substring(1)];
if (!id && app_object?.files['handler.js']) {
let answer;
try {
answer = await useAppHandler(
response,
app_id,
uri.substring(1),
request.query ? form.decodeForm(request.query) : undefined,
request.headers,
packageOwner,
packageName
);
} catch (error) {
data = utf8Encode(
`Internal Server Error\n\n${error?.message}\n${error?.stack}`
);
response.writeHead(500, {
'Content-Type': 'text/plain; charset=utf-8',
'Content-Length': data.length,
});
response.end(data);
return;
}
if (answer && typeof answer.data == 'string') {
answer.data = utf8Encode(answer.data);
}
sendData(
response,
answer?.data,
answer?.content_type,
Object.assign(answer?.headers ?? {}, {
'Access-Control-Allow-Origin': '*',
'Content-Security-Policy': k_content_security_policy,
}),
answer.status_code
);
} else if (id) {
if (
request.headers['if-none-match'] &&
request.headers['if-none-match'] == '"' + id + '"'
) {
let headers = {
'Access-Control-Allow-Origin': '*',
'Content-Security-Policy': k_content_security_policy,
'Content-Length': '0',
};
response.writeHead(304, headers);
response.end();
} else {
let headers = {
ETag: '"' + id + '"',
'Access-Control-Allow-Origin': '*',
'Content-Security-Policy': k_content_security_policy,
};
data = await ssb.blobGet(id);
let type =
httpd.mime_type_from_extension(uri) ||
httpd.mime_type_from_magic_bytes(data);
sendData(response, data, type, headers);
}
} else {
sendData(response, data, undefined, {});
}
}
ssb.addEventListener('message', function () {
broadcastEvent('onMessage', [...arguments]);
});
@ -1059,18 +911,6 @@ loadSettings()
httpd.set_http_redirect(settings.http_redirect);
}
httpd.all('/app/socket', app.socket);
httpd.all('/~{word}/{word}/*', function default_http_handler(request, response) {
let match;
if ((match = /^(\/~[^\/]+\/[^\/]+)(\/?.*)$/.exec(request.uri))) {
return blobHandler(request, response, match[1], match[2]);
}
});
httpd.all('/&*.sha256/*', function default_http_handler(request, response) {
let match;
if ((match = /^\/([&\%][^\.]{44}(?:\.\w+)?)(\/?.*)/.exec(request.uri))) {
return blobHandler(request, response, match[1], match[2]);
}
});
let port = httpd.start(tildefriends.http_port);
if (tildefriends.args.out_http_port_file) {
print('Writing the port file.');

134
src/httpd.js.c
View File

@ -1034,6 +1034,131 @@ static user_app_t* _parse_user_app_from_path(const char* path, const char* expec
return result;
}
typedef struct _app_blob_t
{
tf_http_request_t* request;
bool found;
bool not_modified;
void* data;
size_t size;
char etag[256];
} app_blob_t;
static void _httpd_endpoint_app_blob_work(tf_ssb_t* ssb, void* user_data)
{
app_blob_t* data = user_data;
tf_http_request_t* request = data->request;
char app_id[256] = "";
const char* file = NULL;
if (request->path[0] == '/' && request->path[1] == '~')
{
const char* last_slash = strchr(request->path + 1, '/');
if (last_slash)
{
last_slash = strchr(last_slash + 1, '/');
}
user_app_t* user_app = last_slash ? _parse_user_app_from_path(request->path, last_slash) : NULL;
if (user_app)
{
size_t path_length = strlen("path:") + strlen(user_app->app) + 1;
char* app_path = tf_malloc(path_length);
snprintf(app_path, path_length, "path:%s", user_app->app);
const char* value = tf_ssb_db_get_property(ssb, user_app->user, app_path);
snprintf(app_id, sizeof(app_id), "%s", value);
tf_free(app_path);
tf_free((void*)value);
file = last_slash + 1;
tf_free(user_app);
}
}
else if (request->path[0] == '/' && request->path[1] == '&')
{
const char* end = strstr(request->path, ".sha256/");
if (end)
{
snprintf(app_id, sizeof(app_id), "%.*s", (int)(end + strlen(".sha256") - request->path - 1), request->path + 1);
file = end + strlen(".sha256/");
}
}
char* app_blob = NULL;
size_t app_blob_size = 0;
if (*app_id && tf_ssb_db_blob_get(ssb, app_id, (uint8_t**)&app_blob, &app_blob_size))
{
JSMallocFunctions funcs = { 0 };
tf_get_js_malloc_functions(&funcs);
JSRuntime* runtime = JS_NewRuntime2(&funcs, NULL);
JSContext* context = JS_NewContext(runtime);
JSValue app_object = JS_ParseJSON(context, app_blob, app_blob_size, NULL);
JSValue files = JS_GetPropertyStr(context, app_object, "files");
JSValue blob_id = JS_GetPropertyStr(context, files, file);
const char* blob_id_str = JS_ToCString(context, blob_id);
if (blob_id_str)
{
snprintf(data->etag, sizeof(data->etag), "\"%s\"", blob_id_str);
const char* match = tf_http_request_get_header(data->request, "if-none-match");
if (match && strcmp(match, data->etag) == 0)
{
data->not_modified = true;
}
else
{
data->found = tf_ssb_db_blob_get(ssb, blob_id_str, (uint8_t**)&data->data, &data->size);
}
}
JS_FreeCString(context, blob_id_str);
JS_FreeValue(context, blob_id);
JS_FreeValue(context, files);
JS_FreeValue(context, app_object);
JS_FreeContext(context);
JS_FreeRuntime(runtime);
tf_free(app_blob);
}
}
static void _httpd_endpoint_app_blob_after_work(tf_ssb_t* ssb, int status, void* user_data)
{
app_blob_t* data = user_data;
if (data->not_modified)
{
tf_http_respond(data->request, 304, NULL, 0, NULL, 0);
}
else if (data->found)
{
const char* mime_type = _ext_to_content_type(strrchr(data->request->path, '.'), false);
if (!mime_type)
{
mime_type = _httpd_mime_type_from_magic_bytes_internal(data->data, data->size);
}
const char* headers[] = {
"Access-Control-Allow-Origin",
"*",
"Content-Security-Policy",
"sandbox allow-downloads allow-top-navigation-by-user-activation",
"Content-Type",
mime_type ? mime_type : "application/binary",
"etag",
data->etag,
};
tf_http_respond(data->request, 200, headers, tf_countof(headers) / 2, data->data, data->size);
}
tf_free(data->data);
tf_http_request_unref(data->request);
tf_free(data);
}
static void _httpd_endpoint_app_blob(tf_http_request_t* request)
{
tf_http_request_ref(request);
tf_task_t* task = request->user_data;
tf_ssb_t* ssb = tf_task_get_ssb(task);
app_blob_t* data = tf_malloc(sizeof(app_blob_t));
*data = (app_blob_t) { .request = request };
tf_ssb_run_work(ssb, _httpd_endpoint_app_blob_work, _httpd_endpoint_app_blob_after_work, data);
}
typedef struct _view_t
{
tf_http_request_t* request;
@ -2117,14 +2242,17 @@ void tf_httpd_register(JSContext* context)
tf_http_add_handler(http, "/speedscope/*", _httpd_endpoint_static, NULL, task);
tf_http_add_handler(http, "/static/*", _httpd_endpoint_static, NULL, task);
tf_http_add_handler(http, "/.well-known/*", _httpd_endpoint_static, NULL, task);
tf_http_add_handler(http, "/&*.sha256", _httpd_endpoint_add_slash, NULL, task);
tf_http_add_handler(http, "/&*.sha256/", _httpd_endpoint_static, NULL, task);
tf_http_add_handler(http, "/*/view", _httpd_endpoint_view, NULL, task);
tf_http_add_handler(http, "/&*.sha256/view", _httpd_endpoint_view, NULL, task);
tf_http_add_handler(http, "/&*.sha256/*", _httpd_endpoint_app_blob, NULL, task);
tf_http_add_handler(http, "/~{word}/{word}", _httpd_endpoint_add_slash, NULL, task);
tf_http_add_handler(http, "/~{word}/{word}/", _httpd_endpoint_static, NULL, task);
tf_http_add_handler(http, "/~{word}/{word}/save", _httpd_endpoint_save, NULL, task);
tf_http_add_handler(http, "/~{word}/{word}/delete", _httpd_endpoint_delete, NULL, task);
tf_http_add_handler(http, "/~{word}/{word}/view", _httpd_endpoint_view, NULL, task);
tf_http_add_handler(http, "/~{word}/{word}/*", _httpd_endpoint_app_blob, NULL, task);
tf_http_add_handler(http, "/save", _httpd_endpoint_save, NULL, task);
tf_http_add_handler(http, "/~{word}/{word}", _httpd_endpoint_add_slash, NULL, task);
tf_http_add_handler(http, "/&*.sha256", _httpd_endpoint_add_slash, NULL, task);
tf_http_add_handler(http, "/robots.txt", _httpd_endpoint_robots_txt, NULL, NULL);
tf_http_add_handler(http, "/debug", _httpd_endpoint_debug, NULL, task);