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Web Based Dapps (#3956)

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* Dapps web

Conflicts:
	dapps/src/apps/fetcher.rs
	dapps/src/handlers/fetch.rs

* Rewriting fetch

* Parity-wide fetch service

* Obey the limits and support cancellation.

* Removing temporary files.

* Actually use Fetch for dapps

* Re-implementing file fetching to avoid temporary files.

* Serde to 0.8.19

* Fixing content & dapps fetch

* Serving web content and injecting scripts

* Don't wait for old content, start a new download

* Supporting timeouts and query

* Simple GUI for the browser

* Proxy tokens validation

* Recovering from invalid web-based requests

* Remember last visisted URL

* Removing unused variables

* Addressing review comments

* Setting default account in web3

* Adding WebBrowser dapp to the list

* Actually prune old entries when generating new token
This commit is contained in:
Tomasz Drwięga
2016-12-27 11:15:02 +01:00
committed by Gav Wood
parent 6842d43491
commit c7c309d152
34 changed files with 933 additions and 167 deletions
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12
dapps/src/apps/fetcher/mod.rs
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@@ -129,12 +129,12 @@ impl<R: URLHint + Send + Sync + 'static, F: Fetch> Fetcher for ContentFetcher<F,
(None, endpoint.to_async_handler(path, control))
},
// Content is already being fetched
Some(&mut ContentStatus::Fetching(ref fetch_control)) => {
Some(&mut ContentStatus::Fetching(ref fetch_control)) if !fetch_control.is_deadline_reached() => {
trace!(target: "dapps", "Content fetching in progress. Waiting...");
(None, fetch_control.to_async_handler(path, control))
},
// We need to start fetching the content
None => {
_ => {
trace!(target: "dapps", "Content unavailable. Fetching... {:?}", content_id);
let content_hex = content_id.from_hex().expect("to_handler is called only when `contains` returns true.");
let content = self.resolver.resolve(content_hex);
@@ -156,7 +156,7 @@ impl<R: URLHint + Send + Sync + 'static, F: Fetch> Fetcher for ContentFetcher<F,
(None, Self::still_syncing(self.embeddable_on.clone()))
},
Some(URLHintResult::Dapp(dapp)) => {
let (handler, fetch_control) = ContentFetcherHandler::new(
let handler = ContentFetcherHandler::new(
dapp.url(),
path,
control,
@@ -171,10 +171,10 @@ impl<R: URLHint + Send + Sync + 'static, F: Fetch> Fetcher for ContentFetcher<F,
self.fetch.clone(),
);
(Some(ContentStatus::Fetching(fetch_control)), Box::new(handler) as Box<Handler>)
(Some(ContentStatus::Fetching(handler.fetch_control())), Box::new(handler) as Box<Handler>)
},
Some(URLHintResult::Content(content)) => {
let (handler, fetch_control) = ContentFetcherHandler::new(
let handler = ContentFetcherHandler::new(
content.url,
path,
control,
@@ -189,7 +189,7 @@ impl<R: URLHint + Send + Sync + 'static, F: Fetch> Fetcher for ContentFetcher<F,
self.fetch.clone(),
);
(Some(ContentStatus::Fetching(fetch_control)), Box::new(handler) as Box<Handler>)
(Some(ContentStatus::Fetching(handler.fetch_control())), Box::new(handler) as Box<Handler>)
},
None if self.sync.is_major_importing() => {
(None, Self::still_syncing(self.embeddable_on.clone()))