Files
bun.sh/src/bun.js/webcore/request.zig
2023-02-22 21:29:43 -08:00

552 lines
19 KiB
Zig

const std = @import("std");
const Api = @import("../../api/schema.zig").Api;
const bun = @import("bun");
const RequestContext = @import("../../http.zig").RequestContext;
const MimeType = @import("../../http.zig").MimeType;
const ZigURL = @import("../../url.zig").URL;
const HTTPClient = @import("bun").HTTP;
const NetworkThread = HTTPClient.NetworkThread;
const AsyncIO = NetworkThread.AsyncIO;
const JSC = @import("bun").JSC;
const js = JSC.C;
const Method = @import("../../http/method.zig").Method;
const FetchHeaders = JSC.FetchHeaders;
const AbortSignal = JSC.AbortSignal;
const ObjectPool = @import("../../pool.zig").ObjectPool;
const SystemError = JSC.SystemError;
const Output = @import("bun").Output;
const MutableString = @import("bun").MutableString;
const strings = @import("bun").strings;
const string = @import("bun").string;
const default_allocator = @import("bun").default_allocator;
const FeatureFlags = @import("bun").FeatureFlags;
const ArrayBuffer = @import("../base.zig").ArrayBuffer;
const Properties = @import("../base.zig").Properties;
const NewClass = @import("../base.zig").NewClass;
const d = @import("../base.zig").d;
const castObj = @import("../base.zig").castObj;
const getAllocator = @import("../base.zig").getAllocator;
const JSPrivateDataPtr = @import("../base.zig").JSPrivateDataPtr;
const GetJSPrivateData = @import("../base.zig").GetJSPrivateData;
const Environment = @import("../../env.zig");
const ZigString = JSC.ZigString;
const IdentityContext = @import("../../identity_context.zig").IdentityContext;
const JSPromise = JSC.JSPromise;
const JSValue = JSC.JSValue;
const JSError = JSC.JSError;
const JSGlobalObject = JSC.JSGlobalObject;
const NullableAllocator = @import("../../nullable_allocator.zig").NullableAllocator;
const VirtualMachine = JSC.VirtualMachine;
const Task = JSC.Task;
const JSPrinter = bun.js_printer;
const picohttp = @import("bun").picohttp;
const StringJoiner = @import("../../string_joiner.zig");
const uws = @import("bun").uws;
const InlineBlob = JSC.WebCore.InlineBlob;
const AnyBlob = JSC.WebCore.AnyBlob;
const InternalBlob = JSC.WebCore.InternalBlob;
const BodyMixin = JSC.WebCore.BodyMixin;
const Body = JSC.WebCore.Body;
const Blob = JSC.WebCore.Blob;
// https://developer.mozilla.org/en-US/docs/Web/API/Request
pub const Request = struct {
url: []const u8 = "",
url_was_allocated: bool = false,
headers: ?*FetchHeaders = null,
signal: ?*AbortSignal = null,
body: Body.Value = Body.Value{ .Empty = {} },
method: Method = Method.GET,
uws_request: ?*uws.Request = null,
https: bool = false,
upgrader: ?*anyopaque = null,
// We must report a consistent value for this
reported_estimated_size: ?u63 = null,
const RequestMixin = BodyMixin(@This());
pub usingnamespace JSC.Codegen.JSRequest;
pub const getText = RequestMixin.getText;
pub const getBody = RequestMixin.getBody;
pub const getBodyUsed = RequestMixin.getBodyUsed;
pub const getJSON = RequestMixin.getJSON;
pub const getArrayBuffer = RequestMixin.getArrayBuffer;
pub const getBlob = RequestMixin.getBlob;
pub const getFormData = RequestMixin.getFormData;
pub fn getContentType(
this: *Request,
) ?ZigString.Slice {
if (this.uws_request) |req| {
if (req.header("content-type")) |value| {
return ZigString.Slice.fromUTF8NeverFree(value);
}
}
if (this.headers) |headers| {
if (headers.fastGet(.ContentType)) |value| {
return value.toSlice(bun.default_allocator);
}
}
if (this.body == .Blob) {
if (this.body.Blob.content_type.len > 0)
return ZigString.Slice.fromUTF8NeverFree(this.body.Blob.content_type);
}
return null;
}
pub fn getFormDataEncoding(this: *Request) ?*bun.FormData.AsyncFormData {
var content_type_slice: ZigString.Slice = this.getContentType() orelse return null;
defer content_type_slice.deinit();
const encoding = bun.FormData.Encoding.get(content_type_slice.slice()) orelse return null;
return bun.FormData.AsyncFormData.init(bun.default_allocator, encoding) catch unreachable;
}
pub fn estimatedSize(this: *Request) callconv(.C) usize {
return this.reported_estimated_size orelse brk: {
this.reported_estimated_size = @truncate(u63, this.body.estimatedSize() + this.sizeOfURL() + @sizeOf(Request));
break :brk this.reported_estimated_size.?;
};
}
pub fn writeFormat(this: *Request, formatter: *JSC.Formatter, writer: anytype, comptime enable_ansi_colors: bool) !void {
const Writer = @TypeOf(writer);
try writer.print("Request ({}) {{\n", .{bun.fmt.size(this.body.slice().len)});
{
formatter.indent += 1;
defer formatter.indent -|= 1;
try formatter.writeIndent(Writer, writer);
try writer.writeAll("method: \"");
try writer.writeAll(std.mem.span(@tagName(this.method)));
try writer.writeAll("\"");
formatter.printComma(Writer, writer, enable_ansi_colors) catch unreachable;
try writer.writeAll("\n");
try formatter.writeIndent(Writer, writer);
try writer.writeAll("url: \"");
try this.ensureURL();
try writer.print(comptime Output.prettyFmt("<r><b>{s}<r>", enable_ansi_colors), .{this.url});
try writer.writeAll("\"");
if (this.body == .Blob) {
try writer.writeAll("\n");
try formatter.writeIndent(Writer, writer);
try this.body.Blob.writeFormat(formatter, writer, enable_ansi_colors);
} else if (this.body == .InternalBlob) {
try writer.writeAll("\n");
try formatter.writeIndent(Writer, writer);
if (this.body.size() == 0) {
try Blob.initEmpty(undefined).writeFormat(formatter, writer, enable_ansi_colors);
} else {
try Blob.writeFormatForSize(this.body.size(), writer, enable_ansi_colors);
}
} else if (this.body == .Locked) {
if (this.body.Locked.readable) |stream| {
try writer.writeAll("\n");
try formatter.writeIndent(Writer, writer);
formatter.printAs(.Object, Writer, writer, stream.value, stream.value.jsType(), enable_ansi_colors);
}
}
}
try writer.writeAll("\n");
try formatter.writeIndent(Writer, writer);
try writer.writeAll("}");
}
pub fn fromRequestContext(ctx: *RequestContext) !Request {
var req = Request{
.url = std.mem.span(ctx.getFullURL()),
.body = .{ .Empty = {} },
.method = ctx.method,
.headers = FetchHeaders.createFromPicoHeaders(ctx.request.headers),
.url_was_allocated = true,
};
return req;
}
pub fn mimeType(this: *const Request) string {
if (this.headers) |headers| {
if (headers.fastGet(.ContentType)) |content_type| {
return content_type.slice();
}
}
switch (this.body) {
.Blob => |blob| {
if (blob.content_type.len > 0) {
return blob.content_type;
}
return MimeType.other.value;
},
.InternalBlob => return this.body.InternalBlob.contentType(),
// .InlineBlob => return this.body.InlineBlob.contentType(),
.Error, .Used, .Locked, .Empty => return MimeType.other.value,
}
}
pub fn getCache(
_: *Request,
globalThis: *JSC.JSGlobalObject,
) callconv(.C) JSC.JSValue {
return ZigString.init(Properties.UTF8.default).toValueGC(globalThis);
}
pub fn getCredentials(
_: *Request,
globalThis: *JSC.JSGlobalObject,
) callconv(.C) JSC.JSValue {
return ZigString.init(Properties.UTF8.include).toValueGC(globalThis);
}
pub fn getDestination(
_: *Request,
globalThis: *JSC.JSGlobalObject,
) callconv(.C) JSC.JSValue {
return ZigString.init("").toValueGC(globalThis);
}
pub fn getIntegrity(
_: *Request,
globalThis: *JSC.JSGlobalObject,
) callconv(.C) JSC.JSValue {
return ZigString.Empty.toValueGC(globalThis);
}
pub fn getSignal(this: *Request, globalThis: *JSC.JSGlobalObject) callconv(.C) JSC.JSValue {
// Already have an C++ instance
if (this.signal) |signal| {
return signal.toJS(globalThis);
} else {
//Lazy create default signal
const js_signal = AbortSignal.create(globalThis);
js_signal.ensureStillAlive();
if (AbortSignal.fromJS(js_signal)) |signal| {
this.signal = signal.ref();
}
return js_signal;
}
}
pub fn getMethod(
this: *Request,
globalThis: *JSC.JSGlobalObject,
) callconv(.C) JSC.JSValue {
const string_contents: string = switch (this.method) {
.GET => "GET",
.HEAD => "HEAD",
.PATCH => "PATCH",
.PUT => "PUT",
.POST => "POST",
.OPTIONS => "OPTIONS",
.CONNECT => "CONNECT",
.TRACE => "TRACE",
.DELETE => "DELETE",
};
return ZigString.init(string_contents).toValueGC(globalThis);
}
pub fn getMode(
_: *Request,
globalThis: *JSC.JSGlobalObject,
) callconv(.C) JSC.JSValue {
return ZigString.init(Properties.UTF8.navigate).toValue(globalThis);
}
pub fn finalizeWithoutDeinit(this: *Request) void {
if (this.headers) |headers| {
headers.deref();
this.headers = null;
}
if (this.url_was_allocated) {
bun.default_allocator.free(bun.constStrToU8(this.url));
}
this.body.deinit();
if (this.signal) |signal| {
_ = signal.unref();
this.signal = null;
}
}
pub fn finalize(this: *Request) callconv(.C) void {
this.finalizeWithoutDeinit();
bun.default_allocator.destroy(this);
}
pub fn getRedirect(
_: *Request,
globalThis: *JSC.JSGlobalObject,
) callconv(.C) JSC.JSValue {
return ZigString.init(Properties.UTF8.follow).toValueGC(globalThis);
}
pub fn getReferrer(
this: *Request,
globalObject: *JSC.JSGlobalObject,
) callconv(.C) JSC.JSValue {
if (this.headers) |headers_ref| {
if (headers_ref.get("referrer", globalObject)) |referrer| {
return ZigString.init(referrer).toValueGC(globalObject);
}
}
return ZigString.init("").toValueGC(globalObject);
}
pub fn getReferrerPolicy(
_: *Request,
globalThis: *JSC.JSGlobalObject,
) callconv(.C) JSC.JSValue {
return ZigString.init("").toValueGC(globalThis);
}
pub fn getUrl(
this: *Request,
globalObject: *JSC.JSGlobalObject,
) callconv(.C) JSC.JSValue {
this.ensureURL() catch {
globalObject.throw("Failed to join URL", .{});
return .zero;
};
return ZigString.init(this.url).withEncoding().toValueGC(globalObject);
}
pub fn sizeOfURL(this: *const Request) usize {
if (this.url.len > 0)
return this.url.len;
if (this.uws_request) |req| {
const req_url = req.url();
if (req_url.len > 0 and req_url[0] == '/') {
if (req.header("host")) |host| {
const fmt = ZigURL.HostFormatter{
.is_https = this.https,
.host = host,
};
return this.getProtocol().len + req_url.len + std.fmt.count("{any}", .{fmt});
}
}
return req_url.len;
}
return 0;
}
pub fn getProtocol(this: *const Request) []const u8 {
if (this.https)
return "https://";
return "http://";
}
pub fn ensureURL(this: *Request) !void {
if (this.url.len > 0) return;
if (this.uws_request) |req| {
const req_url = req.url();
if (req_url.len > 0 and req_url[0] == '/') {
if (req.header("host")) |host| {
const fmt = ZigURL.HostFormatter{
.is_https = this.https,
.host = host,
};
const url = try std.fmt.allocPrint(bun.default_allocator, "{s}{any}{s}", .{
this.getProtocol(),
fmt,
req_url,
});
if (comptime Environment.allow_assert) {
std.debug.assert(this.sizeOfURL() == url.len);
}
this.url = url;
this.url_was_allocated = true;
return;
}
}
if (comptime Environment.allow_assert) {
std.debug.assert(this.sizeOfURL() == req_url.len);
}
this.url = try bun.default_allocator.dupe(u8, req_url);
this.url_was_allocated = true;
}
}
pub fn constructInto(
globalThis: *JSC.JSGlobalObject,
arguments: []const JSC.JSValue,
) ?Request {
var request = Request{};
switch (arguments.len) {
0 => {},
1 => {
const urlOrObject = arguments[0];
const url_or_object_type = urlOrObject.jsType();
if (url_or_object_type.isStringLike()) {
request.url = (arguments[0].toSlice(globalThis, bun.default_allocator).cloneIfNeeded(bun.default_allocator) catch {
return null;
}).slice();
request.url_was_allocated = request.url.len > 0;
} else {
if (Body.Init.init(getAllocator(globalThis), globalThis, arguments[0], url_or_object_type) catch null) |req_init| {
request.headers = req_init.headers;
request.method = req_init.method;
}
if (urlOrObject.fastGet(globalThis, .body)) |body_| {
if (Body.Value.fromJS(globalThis, body_)) |body| {
request.body = body;
} else {
request.finalizeWithoutDeinit();
return null;
}
}
if (urlOrObject.fastGet(globalThis, .url)) |url| {
request.url = (url.toSlice(globalThis, bun.default_allocator).cloneIfNeeded(bun.default_allocator) catch {
return null;
}).slice();
request.url_was_allocated = request.url.len > 0;
}
}
},
else => {
if (arguments[1].get(globalThis, "signal")) |signal_| {
if (AbortSignal.fromJS(signal_)) |signal| {
//Keep it alive
signal_.ensureStillAlive();
request.signal = signal.ref();
} else {
globalThis.throw("Failed to construct 'Request': member signal is not of type AbortSignal.", .{});
request.finalizeWithoutDeinit();
return null;
}
}
if (Body.Init.init(getAllocator(globalThis), globalThis, arguments[1], arguments[1].jsType()) catch null) |req_init| {
request.headers = req_init.headers;
request.method = req_init.method;
}
if (arguments[1].fastGet(globalThis, .body)) |body_| {
if (Body.Value.fromJS(globalThis, body_)) |body| {
request.body = body;
} else {
request.finalizeWithoutDeinit();
return null;
}
}
request.url = (arguments[0].toSlice(globalThis, bun.default_allocator).cloneIfNeeded(bun.default_allocator) catch {
return null;
}).slice();
request.url_was_allocated = request.url.len > 0;
},
}
if (request.body == .Blob and
request.headers != null and
request.body.Blob.content_type.len > 0 and
!request.headers.?.fastHas(.ContentType))
{
request.headers.?.put("content-type", request.body.Blob.content_type, globalThis);
}
return request;
}
pub fn constructor(
globalThis: *JSC.JSGlobalObject,
callframe: *JSC.CallFrame,
) callconv(.C) ?*Request {
const arguments_ = callframe.arguments(2);
const arguments = arguments_.ptr[0..arguments_.len];
const request = constructInto(globalThis, arguments) orelse return null;
var request_ = getAllocator(globalThis).create(Request) catch return null;
request_.* = request;
return request_;
}
pub fn getBodyValue(
this: *Request,
) *Body.Value {
return &this.body;
}
pub fn doClone(
this: *Request,
globalThis: *JSC.JSGlobalObject,
_: *JSC.CallFrame,
) callconv(.C) JSC.JSValue {
var cloned = this.clone(getAllocator(globalThis), globalThis);
return cloned.toJS(globalThis);
}
pub fn getHeaders(
this: *Request,
globalThis: *JSC.JSGlobalObject,
) callconv(.C) JSC.JSValue {
if (this.headers == null) {
if (this.uws_request) |req| {
this.headers = FetchHeaders.createFromUWS(globalThis, req);
} else {
this.headers = FetchHeaders.createEmpty();
if (this.body == .Blob) {
const content_type = this.body.Blob.content_type;
if (content_type.len > 0) {
this.headers.?.put("content-type", content_type, globalThis);
}
}
}
}
return this.headers.?.toJS(globalThis);
}
pub fn cloneInto(
this: *Request,
req: *Request,
allocator: std.mem.Allocator,
globalThis: *JSGlobalObject,
) void {
this.ensureURL() catch {};
req.* = Request{
.body = this.body.clone(globalThis),
.url = allocator.dupe(u8, this.url) catch {
globalThis.throw("Failed to clone request", .{});
return;
},
.method = this.method,
};
if (this.headers) |head| {
req.headers = head.cloneThis(globalThis);
} else if (this.uws_request) |uws_req| {
req.headers = FetchHeaders.createFromUWS(globalThis, uws_req);
this.headers = req.headers.?.cloneThis(globalThis).?;
}
if (this.signal) |signal| {
req.signal = signal.ref();
}
}
pub fn clone(this: *Request, allocator: std.mem.Allocator, globalThis: *JSGlobalObject) *Request {
var req = allocator.create(Request) catch unreachable;
this.cloneInto(req, allocator, globalThis);
return req;
}
};