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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| #include "block_http_request.h" | ||
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| #include <services/network/public/cpp/resource_request.h> | ||
| #include <services/network/public/cpp/simple_url_loader.h> | ||
| #include <services/network/public/mojom/url_response_head.mojom.h> | ||
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| using Self = ipfs::BlockHttpRequest; | ||
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| namespace { | ||
| constexpr net::NetworkTrafficAnnotationTag kTrafficAnnotation = | ||
| net::DefineNetworkTrafficAnnotation("ipfs_gateway_request", R"( | ||
| semantics { | ||
| sender: "IPFS component" | ||
| description: | ||
| "Sends a request to an IPFS gateway." | ||
| trigger: | ||
| "Processing of an ipfs:// or ipns:// URL." | ||
| data: "None" | ||
| destination: WEBSITE | ||
| } | ||
| policy { | ||
| cookies_allowed: NO | ||
| setting: "EnableIpfs" | ||
| } | ||
| )"); | ||
| } | ||
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| Self::BlockHttpRequest(ipfs::HttpRequestDescription req_inf, | ||
| HttpCompleteCallback cb, | ||
| raw_ptr<network::mojom::URLLoaderFactory> loader_factory) | ||
| : callback_{cb} { | ||
| auto req = std::make_unique<network::ResourceRequest>(); | ||
| req->url = GURL{req_inf.url}; | ||
| req->priority = net::HIGHEST; // TODO | ||
| if (!req_inf.accept.empty()) { | ||
| req->headers.SetHeader("Accept", req_inf.accept); | ||
| } | ||
| using L = network::SimpleURLLoader; | ||
| loader_ = L::Create(std::move(req), kTrafficAnnotation, FROM_HERE); | ||
| loader_->SetTimeoutDuration(base::Seconds(req_inf.timeout_seconds)); | ||
| loader_->SetAllowHttpErrorResults(true); | ||
| auto bound = base::BindOnce(&Self::OnResponse, base::Unretained(this)); | ||
| DCHECK(loader_factory); | ||
| loader_->DownloadToString(loader_factory, std::move(bound), | ||
| gw::BLOCK_RESPONSE_BUFFER_SIZE); | ||
| } | ||
| Self::~BlockHttpRequest() noexcept {} | ||
| void Self::OnResponse(std::unique_ptr<std::string> body) { | ||
| auto const* head = loader_->ResponseInfo(); | ||
| auto status_text = head->headers->GetStatusText(); | ||
| LOG(INFO) << "Handling body of size " << body->size() << " and status of " | ||
| << status_text; | ||
| int status = std::atoi(status_text.c_str()); | ||
| auto hdrs = [head](std::string_view k) { | ||
| std::string val; | ||
| head->headers->EnumerateHeader(nullptr, k, &val); | ||
| return val; | ||
| }; | ||
| callback_(status, *body, hdrs); | ||
| } | ||
| void Self::self_ownership(std::unique_ptr<BlockHttpRequest>& p) { | ||
| self_.swap(p); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| #ifndef IPFS_BLOCK_HTTP_REQUEST_H_ | ||
| #define IPFS_BLOCK_HTTP_REQUEST_H_ | ||
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| #include <ipfs_client/gw/gateway_request.h> | ||
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| #include <ipfs_client/context_api.h> | ||
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| namespace network { | ||
| struct ResourceRequest; | ||
| class SimpleURLLoader; | ||
| } // namespace network | ||
| namespace network::mojom { | ||
| class URLLoaderFactory; | ||
| } | ||
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| namespace ipfs { | ||
| class BlockHttpRequest { | ||
| // TODO ween oneself off of SimpleURLLoader | ||
| // std::array<char, gw::BLOCK_RESPONSE_BUFFER_SIZE> buffer_; | ||
| std::unique_ptr<BlockHttpRequest> self_; | ||
| std::unique_ptr<network::SimpleURLLoader> loader_; | ||
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| public: | ||
| using HttpCompleteCallback = ipfs::ContextApi::HttpCompleteCallback; | ||
| BlockHttpRequest(ipfs::HttpRequestDescription, | ||
| HttpCompleteCallback, | ||
| raw_ptr<network::mojom::URLLoaderFactory>); | ||
| ~BlockHttpRequest() noexcept; | ||
| void self_ownership(std::unique_ptr<BlockHttpRequest>&); | ||
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| private: | ||
| HttpCompleteCallback callback_; | ||
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| void OnResponse(std::unique_ptr<std::string> body); | ||
| }; | ||
| } // namespace ipfs | ||
|
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| #endif // IPFS_BLOCK_HTTP_REQUEST_H_ |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| #include "dns_txt_request.h" | ||
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| #include <services/network/network_context.h> | ||
| #include <services/network/public/mojom/host_resolver.mojom.h> | ||
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| namespace moj = network::mojom; | ||
| using Self = ipfs::DnsTxtRequest; | ||
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| Self::DnsTxtRequest(std::string host, | ||
| ipfs::ContextApi::DnsTextResultsCallback res, | ||
| ipfs::ContextApi::DnsTextCompleteCallback don, | ||
| moj::NetworkContext* network_context) | ||
| : results_callback_{res}, completion_callback_{don} { | ||
| auto params = moj::ResolveHostParameters::New(); | ||
| params->dns_query_type = net::DnsQueryType::TXT; | ||
| params->initial_priority = net::RequestPriority::HIGHEST; | ||
| params->source = net::HostResolverSource::ANY; | ||
| params->cache_usage = moj::ResolveHostParameters_CacheUsage::STALE_ALLOWED; | ||
| params->secure_dns_policy = moj::SecureDnsPolicy::ALLOW; | ||
| params->purpose = moj::ResolveHostParameters::Purpose::kUnspecified; | ||
| LOG(INFO) << "Querying DNS for TXT records on " << host; | ||
| auto hrh = moj::HostResolverHost::NewHostPortPair({host, 0}); | ||
| auto nak = net::NetworkAnonymizationKey::CreateTransient(); | ||
| network_context->ResolveHost(std::move(hrh), nak, std::move(params), | ||
| recv_.BindNewPipeAndPassRemote()); | ||
| } | ||
| Self::~DnsTxtRequest() {} | ||
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| void Self::OnTextResults(std::vector<std::string> const& results) { | ||
| results_callback_(results); | ||
| } | ||
| void Self::OnComplete(int32_t, | ||
| const ::net::ResolveErrorInfo&, | ||
| const absl::optional<::net::AddressList>&, | ||
| const absl::optional<Endpoints>&) { | ||
| completion_callback_(); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| #ifndef IPFS_DNS_TXT_REQUEST_H_ | ||
| #define IPFS_DNS_TXT_REQUEST_H_ | ||
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| #include <ipfs_client/context_api.h> | ||
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| #include <mojo/public/cpp/bindings/receiver.h> | ||
| #include <services/network/public/cpp/resolve_host_client_base.h> | ||
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| namespace network::mojom { | ||
| class NetworkContext; | ||
| } | ||
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| namespace ipfs { | ||
| class DnsTxtRequest final : public network::ResolveHostClientBase { | ||
| ipfs::ContextApi::DnsTextResultsCallback results_callback_; | ||
| ipfs::ContextApi::DnsTextCompleteCallback completion_callback_; | ||
| mojo::Receiver<network::mojom::ResolveHostClient> recv_{this}; | ||
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| using Endpoints = std::vector<::net::HostResolverEndpointResult>; | ||
| void OnTextResults(std::vector<std::string> const&) override; | ||
| void OnComplete(int32_t result, | ||
| ::net::ResolveErrorInfo const&, | ||
| absl::optional<::net::AddressList> const&, | ||
| absl::optional<Endpoints> const&) override; | ||
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| public: | ||
| DnsTxtRequest(std::string, | ||
| ipfs::ContextApi::DnsTextResultsCallback, | ||
| ipfs::ContextApi::DnsTextCompleteCallback, | ||
| network::mojom::NetworkContext*); | ||
| DnsTxtRequest(DnsTxtRequest&&) = delete; | ||
| ~DnsTxtRequest() noexcept override; | ||
| }; | ||
| } // namespace ipfs | ||
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| #endif // IPFS_DNS_TXT_REQUEST_H_ |
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