mirror of
https://github.com/matrix-construct/construct
synced 2024-11-15 14:31:11 +01:00
1074 lines
19 KiB
C++
1074 lines
19 KiB
C++
// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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using namespace ircd;
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mapi::header
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IRCD_MODULE
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{
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"Webhook Handler"
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};
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conf::item<std::string>
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webhook_secret
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{
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{ "name", "webhook.secret" }
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};
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conf::item<std::string>
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webhook_user
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{
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{ "name", "webhook.user" }
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};
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conf::item<std::string>
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webhook_room
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{
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{ "name", "webhook.room" }
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};
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conf::item<std::string>
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webhook_url
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{
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{ "name", "webhook.url" },
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{ "default", "/webhook" }
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};
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resource
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webhook_resource
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{
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string_view{webhook_url},
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{
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"Webhook Resource",
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webhook_resource.DIRECTORY
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}
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};
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static resource::response
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post__webhook(client &,
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const resource::request &);
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resource::method
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webhook_post
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{
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webhook_resource, "POST", post__webhook
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};
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static void
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github_handle(client &,
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const resource::request &);
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resource::response
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post__webhook(client &client,
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const resource::request &request)
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{
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if(has(http::headers(request.head.headers), "X-GitHub-Event"_sv))
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github_handle(client, request);
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return resource::response
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{
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client, http::OK
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};
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}
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static bool
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github_validate(const string_view &sig,
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const const_buffer &content,
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const string_view &secret);
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static std::string
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github_url(const json::string &url);
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static string_view
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github_find_commit_hash(const json::object &content);
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static string_view
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github_find_issue_number(const json::object &content);
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static std::pair<string_view, string_view>
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github_find_party(const json::object &content);
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static std::ostream &
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github_handle__push(std::ostream &,
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const json::object &content);
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static std::ostream &
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github_handle__pull_request(std::ostream &,
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const json::object &content);
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static std::ostream &
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github_handle__issue_comment(std::ostream &,
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const json::object &content);
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static std::ostream &
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github_handle__issues(std::ostream &,
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const json::object &content);
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static std::ostream &
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github_handle__watch(std::ostream &,
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const json::object &content);
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static std::ostream &
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github_handle__label(std::ostream &,
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const json::object &content);
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static std::ostream &
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github_handle__organization(std::ostream &,
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const json::object &content);
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static std::ostream &
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github_handle__ping(std::ostream &,
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const json::object &content);
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static std::ostream &
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github_heading(std::ostream &,
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const string_view &type,
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const json::object &content);
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void
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github_handle(client &client,
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const resource::request &request)
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{
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const http::headers &headers
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{
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request.head.headers
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};
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const auto sig
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{
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headers.at("X-Hub-Signature")
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};
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if(!github_validate(sig, request.content, webhook_secret))
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throw http::error
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{
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http::UNAUTHORIZED, "X-Hub-Signature verification failed"
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};
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const string_view &type
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{
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headers.at("X-GitHub-Event")
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};
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const string_view &delivery
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{
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headers.at("X-GitHub-Delivery")
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};
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const unique_buffer<mutable_buffer> buf
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{
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48_KiB
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};
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std::stringstream out;
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pubsetbuf(out, buf);
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github_heading(out, type, request.content);
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if(type == "ping")
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github_handle__ping(out, request.content);
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else if(type == "push")
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github_handle__push(out, request.content);
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else if(type == "pull_request")
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github_handle__pull_request(out, request.content);
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else if(type == "issues")
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github_handle__issues(out, request.content);
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else if(type == "issue_comment")
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github_handle__issue_comment(out, request.content);
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else if(type == "watch")
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github_handle__watch(out, request.content);
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else if(type == "label")
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github_handle__label(out, request.content);
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else if(type == "organization")
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github_handle__organization(out, request.content);
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if(!string_view(webhook_room))
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return;
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const auto room_id
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{
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m::room_id(string_view(webhook_room))
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};
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if(!string_view(webhook_user))
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return;
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const m::user::id::buf user_id
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{
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string_view(webhook_user), my_host()
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};
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const auto evid
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{
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m::msghtml(room_id, user_id, view(out, buf), "No alt text")
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};
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log::info
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{
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"Webhook [%s] '%s' delivered to %s %s",
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delivery,
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type,
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string_view{room_id},
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string_view{evid}
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};
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}
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static std::ostream &
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github_heading(std::ostream &out,
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const string_view &type,
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const json::object &content)
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{
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const json::object repository
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{
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content["repository"]
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};
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const json::object organization
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{
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content["organization"]
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};
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if(empty(repository))
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{
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const auto url
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{
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github_url(organization["url"])
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};
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out << "<a href=\"" << url << "\">"
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<< unquote(organization["login"])
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<< "</a>";
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}
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else
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out << "<a href=" << repository["html_url"] << ">"
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<< unquote(repository["full_name"])
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<< "</a>";
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const string_view commit_hash
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{
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github_find_commit_hash(content)
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};
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if(commit_hash && type == "push")
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out << " <b><font color=\"#FF5733\">";
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else if(commit_hash && type == "pull_request")
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out << " <b><font color=\"#FF5733\">";
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else if(commit_hash)
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out << " <b>";
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if(commit_hash)
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out << commit_hash.substr(0, 8)
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<< "</font></b>";
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const string_view issue_number
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{
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github_find_issue_number(content)
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};
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if(issue_number)
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out << " <b>#" << issue_number << "</b>";
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else
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out << " " << type;
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const auto party
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{
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github_find_party(content)
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};
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out << " by "
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<< "<a href=\""
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<< party.second
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<< "\">"
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<< party.first
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<< "</a>";
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return out;
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}
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std::ostream &
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github_handle__push(std::ostream &out,
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const json::object &content)
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{
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const json::array commits
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{
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content["commits"]
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};
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const auto count
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{
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size(commits)
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};
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if(!count)
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{
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out << " <font color=\"#FF0000\">";
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if(content["ref"])
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out << " " << unquote(content["ref"]);
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out << " deleted</font>";
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return out;
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}
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if(content["ref"])
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{
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const auto ref(unquote(content["ref"]));
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out << " "
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<< " "
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<< token_last(ref, '/');
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}
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out << " <a href=\"" << unquote(content["compare"]) << "\">"
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<< "<b>" << count << " commits</b>"
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<< "</a>";
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if(content["forced"] == "true")
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out << " (rebase)";
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out << "<pre><code>";
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for(ssize_t i(count - 1); i >= 0; --i)
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{
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const json::object &commit(commits.at(i));
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const auto url(unquote(commit["url"]));
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const auto id(unquote(commit["id"]));
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const auto sid(id.substr(0, 8));
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out << " <a href=\"" << url << "\">"
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<< "<b>" << sid << "</b>"
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<< "</a>";
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const json::object author(commit["author"]);
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out << " <b>"
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<< unquote(author["name"])
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<< "</b>"
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;
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const json::object committer(commit["committer"]);
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if(committer["email"] != author["email"])
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out << " via <b>"
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<< unquote(committer["name"])
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<< "</b>"
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;
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const auto message(unquote(commit["message"]));
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const auto summary
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{
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split(message, "\\n").first
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};
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out << " "
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<< summary
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;
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out << "<br />";
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}
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out << "</code></pre>";
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return out;
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}
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static std::ostream &
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github_handle__pull_request(std::ostream &out,
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const json::object &content)
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{
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const json::object pr
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{
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content["pull_request"]
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};
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if(pr["merged"] != "true")
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out << " "
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<< "<b>"
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<< unquote(content["action"])
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<< "</b>"
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;
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if(pr["title"])
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out << " "
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<< "<a href="
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<< pr["html_url"]
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<< ">"
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<< unquote(pr["title"])
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<< "</a>"
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;
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const json::object head
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{
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pr["head"]
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};
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const json::object base
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{
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pr["base"]
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};
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for(const json::object &label : json::array(pr["labels"]))
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{
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out << " ";
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out << "<font color=\"#FFFFFF\""
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<< "data-mx-bg-color=\"#"
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<< unquote(label["color"])
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<< "\">";
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out << "<b>";
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out << " ";
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out << unquote(label["name"]);
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out << " ";
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out << "</b>";
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out << "</font>";
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}
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if(pr["merged"] == "true")
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out << ' '
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<< "<font color=\"#FFFFFF\""
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<< "data-mx-bg-color=\"#6f42c1\""
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<< "<b>"
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<< "merged"
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<< "</b>"
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<< "</font>"
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;
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if(pr.has("merged_by") && pr["merged_by"] != "null")
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{
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const json::object merged_by{pr["merged_by"]};
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out << " "
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<< "by "
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<< "<a href=\""
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<< unquote(merged_by["html_url"])
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<< "\">"
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<< unquote(merged_by["login"])
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<< "</a>"
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;
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}
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const json::string &body
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{
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pr["body"]
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};
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if(!empty(body))
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out << " "
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<< "<pre><code>"
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<< body
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<< "</code></pre>"
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;
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if(pr.has("commits"))
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out << " "
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<< "<b>"
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<< pr["commits"]
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<< ' '
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<< "<a href="
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<< github_url(pr["commits_url"])
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<< ">"
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<< "commits"
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<< "</a>"
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<< "</b>"
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;
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if(pr.has("comments"))
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out << " / "
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<< "<b>"
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<< pr["comments"]
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<< ' '
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<< "<a href="
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<< github_url(pr["comments_url"])
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<< ">"
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<< "comments"
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<< "</a>"
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<< "</b>"
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;
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if(pr.has("changed_files"))
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out << " / "
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<< "<b>"
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<< pr["changed_files"]
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<< ' '
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<< "<a href=\""
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<< unquote(pr["html_url"])
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<< "/files"
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<< "\">"
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<< "files"
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<< "</a>"
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<< "</b>"
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;
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if(pr.has("additions"))
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out << " / "
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<< "<b>"
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<< "<font color=\"#33CC33\">"
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<< "++"
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<< "</font>"
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<< pr["additions"]
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<< "</b>"
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;
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if(pr.has("deletions"))
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out << " / "
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<< "<b>"
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<< "<font color=\"#CC0000\">"
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<< "--"
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<< "</font>"
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<< pr["deletions"]
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<< "</b>"
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;
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if(pr["merged"] == "false") switch(hash(pr["mergeable"]))
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{
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default:
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case hash("null"):
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out << " / "
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<< "<font color=\"#000000\""
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<< "data-mx-bg-color=\"#EEBB00\">"
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<< "<b>"
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<< " "
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<< "CHECKING"
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<< " "
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<< "</b>"
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<< "</font>"
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;
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break;
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case hash("true"):
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out << " / "
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<< "<font color=\"#FFFFFF\""
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<< "data-mx-bg-color=\"#03B381\">"
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<< "<b>"
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<< " "
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<< "NO CONFLICTS"
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<< " "
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<< "</b>"
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<< "</font>"
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;
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break;
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case hash("false"):
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out << " / "
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<< "<font color=\"#FFFFFF\""
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<< "data-mx-bg-color=\"#CC0000\">"
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<< "<b>"
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<< " "
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<< "MERGE CONFLICT"
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<< " "
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<< "</b>"
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<< "</font>"
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;
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break;
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}
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return out;
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}
|
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|
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static std::ostream &
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github_handle__issues(std::ostream &out,
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const json::object &content)
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{
|
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const json::string &action
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{
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content["action"]
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};
|
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out << " "
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<< "<b>"
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<< action
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<< "</b>"
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;
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const json::object issue
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{
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content["issue"]
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};
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|
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switch(hash(action))
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{
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case "assigned"_:
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case "unassigned"_:
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{
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const json::object assignee
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{
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content["assignee"]
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};
|
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out << " "
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<< "<a href=\""
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<< unquote(assignee["html_url"])
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<< "\">"
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<< unquote(assignee["login"])
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<< "</a>"
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;
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break;
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}
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}
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|
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out << " "
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<< "<a href=\""
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<< unquote(issue["html_url"])
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<< "\">"
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<< "<b><u>"
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<< unquote(issue["title"])
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<< "</u></b>"
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<< "</a>"
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;
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for(const json::object &label : json::array(issue["labels"]))
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{
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out << " ";
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out << "<font color=\"#FFFFFF\""
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<< "data-mx-bg-color=\"#"
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<< unquote(label["color"])
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<< "\">";
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out << "<b>";
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out << " ";
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out << unquote(label["name"]);
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out << " ";
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out << "</b>";
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out << "</font>";
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}
|
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|
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if(action == "opened")
|
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{
|
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out << " "
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<< "<blockquote>"
|
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<< "<pre><code>"
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;
|
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|
|
static const auto delim("\\r\\n");
|
|
const auto body(unquote(issue["body"]));
|
|
auto lines(split(body, delim)); do
|
|
{
|
|
out << lines.first
|
|
<< "<br />"
|
|
;
|
|
|
|
lines = split(lines.second, delim);
|
|
}
|
|
while(!empty(lines.second));
|
|
|
|
out << ""
|
|
<< "</code></pre>"
|
|
<< "</blockquote>"
|
|
;
|
|
}
|
|
else if(action == "labeled")
|
|
{
|
|
const json::object label
|
|
{
|
|
content["label"]
|
|
};
|
|
|
|
out << "<ul>";
|
|
out << "<li>added: ";
|
|
out << "<font color=\"#FFFFFF\""
|
|
<< "data-mx-bg-color=\"#"
|
|
<< unquote(label["color"])
|
|
<< "\">";
|
|
|
|
out << "<b>";
|
|
out << " ";
|
|
out << unquote(label["name"]);
|
|
out << " ";
|
|
out << "</b>";
|
|
|
|
out << "</font>";
|
|
out << "</li>";
|
|
out << "</ul>";
|
|
}
|
|
else if(action == "unlabeled")
|
|
{
|
|
const json::object label
|
|
{
|
|
content["label"]
|
|
};
|
|
|
|
out << "<ul>";
|
|
out << "<li>removed: ";
|
|
out << "<font color=\"#FFFFFF\""
|
|
<< "data-mx-bg-color=\"#"
|
|
<< unquote(label["color"])
|
|
<< "\">";
|
|
|
|
out << "<b>";
|
|
out << " ";
|
|
out << unquote(label["name"]);
|
|
out << " ";
|
|
out << "</b>";
|
|
|
|
out << "</font>";
|
|
out << "</li>";
|
|
out << "</ul>";
|
|
}
|
|
|
|
return out;
|
|
}
|
|
|
|
static std::ostream &
|
|
github_handle__issue_comment(std::ostream &out,
|
|
const json::object &content)
|
|
{
|
|
const json::object issue
|
|
{
|
|
content["issue"]
|
|
};
|
|
|
|
const json::object comment
|
|
{
|
|
content["comment"]
|
|
};
|
|
|
|
const json::string action
|
|
{
|
|
content["action"]
|
|
};
|
|
|
|
out << " <b>";
|
|
switch(hash(action))
|
|
{
|
|
case "created"_:
|
|
out << "commented on";
|
|
break;
|
|
|
|
default:
|
|
out << action;
|
|
break;
|
|
}
|
|
out << "</b>";
|
|
|
|
out << " "
|
|
<< "<a href=\""
|
|
<< unquote(issue["html_url"])
|
|
<< "\">"
|
|
<< "<b><u>"
|
|
<< unquote(issue["title"])
|
|
<< "</u></b>"
|
|
<< "</a>"
|
|
;
|
|
|
|
if(action == "created")
|
|
{
|
|
out << " "
|
|
<< "<blockquote>"
|
|
<< "<pre><code>"
|
|
;
|
|
|
|
static const auto delim("\\r\\n");
|
|
const auto body(unquote(comment["body"]));
|
|
auto lines(split(body, delim)); do
|
|
{
|
|
out << lines.first
|
|
<< "<br />"
|
|
;
|
|
|
|
lines = split(lines.second, delim);
|
|
}
|
|
while(!empty(lines.second));
|
|
|
|
out << ""
|
|
<< "</code></pre>"
|
|
<< "</blockquote>"
|
|
;
|
|
}
|
|
|
|
return out;
|
|
}
|
|
|
|
std::ostream &
|
|
github_handle__label(std::ostream &out,
|
|
const json::object &content)
|
|
{
|
|
const json::string &action
|
|
{
|
|
content["action"]
|
|
};
|
|
|
|
out << " "
|
|
<< "<b>"
|
|
<< action
|
|
<< "</b>"
|
|
;
|
|
|
|
const json::object &label
|
|
{
|
|
content["label"]
|
|
};
|
|
|
|
out << "<ul>";
|
|
out << "<li>";
|
|
out << "<font color=\"#FFFFFF\""
|
|
<< "data-mx-bg-color=\"#"
|
|
<< unquote(label["color"])
|
|
<< "\">";
|
|
|
|
out << "<b>";
|
|
out << " ";
|
|
out << unquote(label["name"]);
|
|
out << " ";
|
|
out << "</b>";
|
|
out << "</font>";
|
|
out << "</li>";
|
|
out << "</ul>";
|
|
|
|
if(action == "edited")
|
|
{
|
|
const json::object &changes
|
|
{
|
|
content["changes"]
|
|
};
|
|
|
|
const json::object &color_obj
|
|
{
|
|
changes["color"]
|
|
};
|
|
|
|
const json::string &color
|
|
{
|
|
empty(color_obj)?
|
|
label["color"]:
|
|
color_obj["from"]
|
|
};
|
|
|
|
const json::object &name_obj
|
|
{
|
|
changes["name"]
|
|
};
|
|
|
|
const json::string &name
|
|
{
|
|
empty(name_obj)?
|
|
label["name"]:
|
|
name_obj["from"]
|
|
};
|
|
|
|
out << "from: ";
|
|
out << "<ul>";
|
|
out << "<li>";
|
|
out << "<font color=\"#FFFFFF\""
|
|
<< "data-mx-bg-color=\"#"
|
|
<< color
|
|
<< "\">";
|
|
|
|
out << "<b>";
|
|
out << " ";
|
|
out << name;
|
|
out << " ";
|
|
out << "</b>";
|
|
out << "</font>";
|
|
out << "</li>";
|
|
out << "</ul>";
|
|
}
|
|
|
|
return out;
|
|
}
|
|
|
|
std::ostream &
|
|
github_handle__organization(std::ostream &out,
|
|
const json::object &content)
|
|
{
|
|
const json::string &action
|
|
{
|
|
content["action"]
|
|
};
|
|
|
|
out << " "
|
|
<< "<b>"
|
|
<< action
|
|
<< "</b>"
|
|
;
|
|
|
|
if(action == "member_added")
|
|
{
|
|
const json::object &membership
|
|
{
|
|
content["membership"]
|
|
};
|
|
|
|
const json::object &user
|
|
{
|
|
membership["user"]
|
|
};
|
|
|
|
out << " "
|
|
<< "<a href=" << user["html_url"] << ">"
|
|
<< unquote(user["login"])
|
|
<< "</a>"
|
|
;
|
|
|
|
out << " with role "
|
|
<< unquote(membership["role"])
|
|
;
|
|
}
|
|
|
|
return out;
|
|
}
|
|
|
|
std::ostream &
|
|
github_handle__watch(std::ostream &out,
|
|
const json::object &content)
|
|
{
|
|
const string_view action
|
|
{
|
|
unquote(content["action"])
|
|
};
|
|
|
|
if(action == "started")
|
|
{
|
|
out << " with a star";
|
|
return out;
|
|
}
|
|
|
|
return out;
|
|
}
|
|
|
|
std::ostream &
|
|
github_handle__ping(std::ostream &out,
|
|
const json::object &content)
|
|
{
|
|
out << "<pre><code>"
|
|
<< unquote(content["zen"])
|
|
<< "</code></pre>";
|
|
|
|
return out;
|
|
}
|
|
|
|
/// Researched from yestifico bot
|
|
std::pair<string_view, string_view>
|
|
github_find_party(const json::object &content)
|
|
{
|
|
const json::object pull_request
|
|
{
|
|
content["pull_request"]
|
|
};
|
|
|
|
const json::object user
|
|
{
|
|
pull_request["user"]
|
|
};
|
|
|
|
if(!empty(user))
|
|
return
|
|
{
|
|
unquote(user["login"]),
|
|
unquote(user["html_url"])
|
|
};
|
|
|
|
const json::object sender
|
|
{
|
|
content["sender"]
|
|
};
|
|
|
|
return
|
|
{
|
|
unquote(sender["login"]),
|
|
unquote(sender["html_url"])
|
|
};
|
|
}
|
|
|
|
/// Researched from yestifico bot
|
|
ircd::string_view
|
|
github_find_issue_number(const json::object &content)
|
|
{
|
|
const json::object issue(content["issue"]);
|
|
if(!empty(issue))
|
|
return unquote(issue["number"]);
|
|
|
|
if(content["number"])
|
|
return unquote(content["number"]);
|
|
|
|
return {};
|
|
}
|
|
|
|
/// Researched from yestifico bot
|
|
ircd::string_view
|
|
github_find_commit_hash(const json::object &content)
|
|
{
|
|
if(content["sha"])
|
|
return unquote(content["sha"]);
|
|
|
|
const json::object commit(content["commit"]);
|
|
if(!empty(commit))
|
|
return unquote(commit["sha"]);
|
|
|
|
const json::object head(content["head"]);
|
|
if(!empty(head))
|
|
return unquote(head["commit"]);
|
|
|
|
const json::object head_commit(content["head_commit"]);
|
|
if(!empty(head_commit))
|
|
return unquote(head_commit["id"]);
|
|
|
|
const json::object comment(content["comment"]);
|
|
if(!empty(comment))
|
|
return unquote(comment["commit_id"]);
|
|
|
|
if(content["commit"])
|
|
return unquote(content["commit"]);
|
|
|
|
const json::object pr{content["pull_request"]};
|
|
const json::object prhead{pr["head"]};
|
|
if(prhead["sha"])
|
|
return unquote(prhead["sha"]);
|
|
|
|
return {};
|
|
}
|
|
|
|
std::string
|
|
github_url(const json::string &url)
|
|
{
|
|
std::string base("https://");
|
|
return base + std::string(lstrip(url, "https://api."));
|
|
}
|
|
|
|
bool
|
|
github_validate(const string_view &sigheader,
|
|
const const_buffer &content,
|
|
const string_view &secret)
|
|
try
|
|
{
|
|
const auto sig
|
|
{
|
|
split(sigheader, "=")
|
|
};
|
|
|
|
crh::hmac hmac
|
|
{
|
|
sig.first, secret
|
|
};
|
|
|
|
hmac.update(content);
|
|
|
|
char ubuf[64], abuf[sizeof(ubuf) * 2];
|
|
if(unlikely(sizeof(ubuf) < hmac.length()))
|
|
throw ircd::panic
|
|
{
|
|
"HMAC algorithm '%s' digest exceeds buffer size.",
|
|
sig.first
|
|
};
|
|
|
|
const const_buffer hmac_bin
|
|
{
|
|
hmac.finalize(ubuf)
|
|
};
|
|
|
|
static_assert(sizeof(abuf) >= sizeof(ubuf) * 2);
|
|
const string_view hmac_hex
|
|
{
|
|
u2a(abuf, hmac_bin)
|
|
};
|
|
|
|
return hmac_hex == sig.second;
|
|
}
|
|
catch(const crh::error &e)
|
|
{
|
|
throw http::error
|
|
{
|
|
http::NOT_IMPLEMENTED, "The signature algorithm is not supported.",
|
|
};
|
|
}
|