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Support form submission of multipart/form-data

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This commit is contained in:
Prabhjyot Singh Sodhi 2016-01-08 17:32:17 +05:30 • committed by Keith Yeung
parent 8db0367301
commit cfde40e225
8 changed files with 135 additions and 17 deletions
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1
components/script/Cargo.toml
View file

@ -44,6 +44,7 @@ hyper = { version = "0.9", features = [ "serde-serialization" ] }
image = "0.9"
libc = "0.2"
log = "0.3.5"
mime = "0.2.0"
num-traits = "0.1.32"
offscreen_gl_context = "0.1.2"
rand = "0.3"

137
components/script/dom/htmlformelement.rs
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@ -3,6 +3,7 @@
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use dom::attr::AttrValue;
use dom::bindings::codegen::Bindings::BlobBinding::BlobMethods;
use dom::bindings::codegen::Bindings::DocumentBinding::DocumentMethods;
use dom::bindings::codegen::Bindings::EventBinding::EventMethods;
use dom::bindings::codegen::Bindings::HTMLButtonElementBinding::HTMLButtonElementMethods;
@ -15,10 +16,12 @@ use dom::bindings::inheritance::{Castable, ElementTypeId, HTMLElementTypeId, Nod
use dom::bindings::js::{JS, MutNullableHeap, Root};
use dom::bindings::refcounted::Trusted;
use dom::bindings::reflector::Reflectable;
use dom::blob::Blob;
use dom::document::Document;
use dom::element::Element;
use dom::event::{EventBubbles, EventCancelable};
use dom::eventtarget::EventTarget;
use dom::file::File;
use dom::htmlbuttonelement::HTMLButtonElement;
use dom::htmlcollection::CollectionFilter;
use dom::htmldatalistelement::HTMLDataListElement;
@ -33,19 +36,23 @@ use dom::htmltextareaelement::HTMLTextAreaElement;
use dom::node::{Node, document_from_node, window_from_node};
use dom::virtualmethods::VirtualMethods;
use dom::window::Window;
use hyper::header::ContentType;
use encoding::EncodingRef;
use encoding::all::UTF_8;
use encoding::label::encoding_from_whatwg_label;
use hyper::header::{Charset, ContentDisposition, ContentType, DispositionParam, DispositionType};
use hyper::method::Method;
use hyper::mime;
use msg::constellation_msg::{LoadData, PipelineId};
use rand::random;
use script_runtime::ScriptChan;
use script_thread::{MainThreadScriptMsg, Runnable};
use std::borrow::ToOwned;
use std::cell::Cell;
use std::str::from_utf8;
use std::sync::mpsc::Sender;
use string_cache::Atom;
use task_source::dom_manipulation::DOMManipulationTask;
use url::form_urlencoded;
use util::str::DOMString;
use util::str::{DOMString, split_html_space_chars};
#[derive(JSTraceable, PartialEq, Clone, Copy, HeapSizeOf)]
pub struct GenerationId(u32);
@ -237,6 +244,86 @@ pub enum ResetFrom {
impl HTMLFormElement {
fn generate_boundary(&self) -> String {
let i1 = random::<u32>();
let i2 = random::<u32>();
format!("---------------------------{0}{1}", i1, i2)
}
// https://html.spec.whatwg.org/multipage/#picking-an-encoding-for-the-form
fn pick_encoding(&self) -> EncodingRef {
// Step 2
if self.upcast::<Element>().has_attribute(&atom!("accept-charset")) {
// Substep 1
let input = self.upcast::<Element>().get_string_attribute(&atom!("accept-charset"));
// Substep 2, 3, 4
let mut candidate_encodings = split_html_space_chars(&*input).filter_map(encoding_from_whatwg_label);
// Substep 5, 6
return candidate_encodings.next().unwrap_or(UTF_8);
}
// Step 1, 3
document_from_node(self).encoding()
}
// https://html.spec.whatwg.org/multipage/#multipart/form-data-encoding-algorithm
fn encode_form_data(&self, form_data: &mut Vec<FormDatum>,
encoding: Option<EncodingRef>,
boundary: String) -> String {
// Step 1
let mut result = "".to_owned();
// Step 2
// (maybe take encoding as input)
let encoding = encoding.unwrap_or(self.pick_encoding());
// Step 3
let charset = &*encoding.whatwg_name().unwrap();
// Step 4
for entry in form_data.iter_mut() {
// Substep 1
if entry.name == "_charset_" && entry.ty == "hidden" {
entry.value = FormDatumValue::String(DOMString::from(charset.clone()));
}
// TODO: Substep 2
// Step 5
// https://tools.ietf.org/html/rfc7578#section-4
result.push_str(&*format!("\r\n--{}\r\n", boundary));
let mut content_disposition = ContentDisposition {
disposition: DispositionType::Ext("form-data".to_owned()),
parameters: vec![DispositionParam::Ext("name".to_owned(), String::from(entry.name.clone()))]
};
match entry.value {
FormDatumValue::String(ref s) =>
result.push_str(&*format!("Content-Disposition: {}\r\n\r\n{}",
content_disposition,
s)),
FormDatumValue::File(ref f) => {
content_disposition.parameters.push(
DispositionParam::Filename(Charset::Ext(String::from(charset.clone())),
None,
f.name().clone().into()));
let content_type = ContentType(f.upcast::<Blob>().Type().parse().unwrap());
result.push_str(&*format!("Content-Disposition: {}\r\n{}\r\n\r\n",
content_disposition,
content_type));
result.push_str(from_utf8(&f.upcast::<Blob>().get_data().get_bytes()).unwrap());
}
}
}
result.push_str(&*format!("\r\n--{}--", boundary));
return result;
}
/// [Form submission](https://html.spec.whatwg.org/multipage/#concept-form-submit)
pub fn submit(&self, submit_method_flag: SubmittedFrom, submitter: FormSubmitter) {
// Step 1
@ -264,7 +351,7 @@ impl HTMLFormElement {
}
}
// Step 6
let form_data = self.get_form_dataset(Some(submitter));
let mut form_data = self.get_form_dataset(Some(submitter));
// Step 7
let mut action = submitter.action();
// Step 8
@ -287,13 +374,21 @@ impl HTMLFormElement {
let parsed_data = match enctype {
FormEncType::UrlEncoded => {
let mime: mime::Mime = "application/x-www-form-urlencoded".parse().unwrap();
load_data.headers.set(ContentType(mime));
load_data.headers.set(ContentType::form_url_encoded());
form_urlencoded::Serializer::new(String::new())
.extend_pairs(form_data.into_iter().map(|field| (field.name, field.value)))
.extend_pairs(form_data.into_iter().map(|field| (field.name.clone(), field.value_str())))
.finish()
}
_ => "".to_owned() // TODO: Add serializers for the other encoding types
FormEncType::FormDataEncoded => {
let boundary = self.generate_boundary();
let mime = mime!(Multipart / FormData; Boundary =(&boundary));
load_data.headers.set(ContentType(mime));
self.encode_form_data(&mut form_data, None, boundary)
}
// TODO: Support plain text encoding
FormEncType::TextPlainEncoded => "".to_owned()
};
// Step 18
@ -435,7 +530,7 @@ impl HTMLFormElement {
data_set.push(FormDatum {
ty: textarea.Type(),
name: name,
value: textarea.Value()
value: FormDatumValue::String(textarea.Value())
});
}
}
@ -489,7 +584,10 @@ impl HTMLFormElement {
"file" | "textarea" => (),
_ => {
datum.name = clean_crlf(&datum.name);
datum.value = clean_crlf(&datum.value);
datum.value = FormDatumValue::String(clean_crlf( match datum.value {
FormDatumValue::String(ref s) => s,
FormDatumValue::File(_) => unreachable!()
}));
}
}
};
@ -544,12 +642,25 @@ impl HTMLFormElement {
}
// TODO: add file support
#[derive(HeapSizeOf)]
pub enum FormDatumValue {
File(Root<File>),
String(DOMString)
}
// #[derive(HeapSizeOf)]
pub struct FormDatum {
pub ty: DOMString,
pub name: DOMString,
pub value: DOMString
pub value: FormDatumValue
}
impl FormDatum {
pub fn value_str(&self) -> String {
match self.value {
FormDatumValue::String(ref s) => String::from(s.clone()),
FormDatumValue::File(ref f) => String::from(f.name().clone())
}
}
}
#[derive(Copy, Clone, HeapSizeOf)]

5
components/script/dom/htmlinputelement.rs
View file

@ -22,7 +22,7 @@ use dom::event::{Event, EventBubbles, EventCancelable};
use dom::eventtarget::EventTarget;
use dom::htmlelement::HTMLElement;
use dom::htmlfieldsetelement::HTMLFieldSetElement;
use dom::htmlformelement::{FormControl, FormDatum, FormSubmitter, HTMLFormElement};
use dom::htmlformelement::{FormDatumValue, FormControl, FormDatum, FormSubmitter, HTMLFormElement};
use dom::htmlformelement::{ResetFrom, SubmittedFrom};
use dom::keyboardevent::KeyboardEvent;
use dom::node::{Node, NodeDamage, UnbindContext};
@ -625,6 +625,7 @@ impl HTMLInputElement {
atom!("radio") | atom!("checkbox") => if !self.Checked() || name.is_empty() {
return None;
},
atom!("image") | atom!("file") => return None, // Unimplemented
// Step 3.1: it's not the "Image Button" and doesn't have a name attribute.
_ => if name.is_empty() {
@ -637,7 +638,7 @@ impl HTMLInputElement {
Some(FormDatum {
ty: DOMString::from(&*ty), // FIXME(ajeffrey): Convert directly from Atoms to DOMStrings
name: name,
value: self.Value()
value: FormDatumValue::String(self.Value())
})
}

4
components/script/dom/htmlselectelement.rs
View file

@ -14,7 +14,7 @@ use dom::document::Document;
use dom::element::{AttributeMutation, Element};
use dom::htmlelement::HTMLElement;
use dom::htmlfieldsetelement::HTMLFieldSetElement;
use dom::htmlformelement::{FormControl, FormDatum, HTMLFormElement};
use dom::htmlformelement::{FormDatumValue, FormControl, FormDatum, HTMLFormElement};
use dom::htmloptionelement::HTMLOptionElement;
use dom::node::{Node, UnbindContext, window_from_node};
use dom::nodelist::NodeList;
@ -94,7 +94,7 @@ impl HTMLSelectElement {
data_set.push(FormDatum {
ty: self.Type(),
name: self.Name(),
value: opt.Value()
value: FormDatumValue::String(opt.Value())
});
}
}

2
components/script/lib.rs
View file

@ -51,6 +51,8 @@ extern crate js;
extern crate libc;
#[macro_use]
extern crate log;
#[macro_use]
extern crate mime;
extern crate msg;
extern crate net_traits;
extern crate num_traits;

1
components/servo/Cargo.lock generated
View file

@ -1812,6 +1812,7 @@ dependencies = [
"js 0.1.2 (git+https://github.com/servo/rust-mozjs)",
"libc 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
"log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
"mime 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
"msg 0.0.1",
"net_traits 0.0.1",
"num-traits 0.1.32 (registry+https://github.com/rust-lang/crates.io-index)",

1
ports/cef/Cargo.lock generated
View file

@ -1681,6 +1681,7 @@ dependencies = [
"js 0.1.2 (git+https://github.com/servo/rust-mozjs)",
"libc 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
"log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
"mime 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
"msg 0.0.1",
"net_traits 0.0.1",
"num-traits 0.1.32 (registry+https://github.com/rust-lang/crates.io-index)",

1
ports/gonk/Cargo.lock generated
View file

@ -1664,6 +1664,7 @@ dependencies = [
"js 0.1.2 (git+https://github.com/servo/rust-mozjs)",
"libc 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
"log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
"mime 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
"msg 0.0.1",
"net_traits 0.0.1",
"num-traits 0.1.32 (registry+https://github.com/rust-lang/crates.io-index)",