Add about page

This commit is contained in:
blankie 2023-11-24 23:46:00 +11:00
parent 64ff7e7350
commit b402239262
Signed by: blankie
GPG Key ID: CC15FC822C7F61F5
9 changed files with 115 additions and 3 deletions

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@ -30,7 +30,7 @@ add_link_options(${FLAGS})
add_executable(${PROJECT_NAME} main.cpp numberhelper.cpp config.cpp models.cpp client.cpp servehelper.cpp timeutils.cpp
routes/home.cpp routes/css.cpp routes/user.cpp routes/status.cpp routes/tags.cpp
routes/home.cpp routes/css.cpp routes/user.cpp routes/status.cpp routes/tags.cpp routes/about.cpp
blankie/serializer.cpp blankie/escape.cpp)
set_target_properties(${PROJECT_NAME}
PROPERTIES

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@ -171,6 +171,21 @@ std::vector<Post> MastodonClient::get_tag_timeline(const std::string& host, cons
return posts;
}
Instance MastodonClient::get_instance(const std::string& host) {
using namespace std::string_literals;
Instance instance = this->_send_request("https://"s + host + "/api/v2/instance");
instance.contact_account.same_server = instance.contact_account.server == host;
return instance;
}
blankie::html::HTMLString MastodonClient::get_extended_description(const std::string& host) {
using namespace std::string_literals;
nlohmann::json j = this->_send_request("https://"s + host + "/api/v1/instance/extended_description");
return blankie::html::HTMLString(j.at("content").get<std::string>());
}
CURL* MastodonClient::_get_easy() {
CURL* curl = pthread_getspecific(this->_easy_key);
if (!curl) {

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@ -73,6 +73,9 @@ public:
std::vector<Post> get_tag_timeline(const std::string& host, const std::string& tag, std::optional<std::string> max_id);
Instance get_instance(const std::string& host);
blankie::html::HTMLString get_extended_description(const std::string& host);
private:
CURL* _get_easy();
nlohmann::json _send_request(const std::string& url);

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@ -49,6 +49,11 @@ int main(int argc, char** argv) {
// protect against ..
server.Get("/(" DOMAIN_RE ")/tags/(?!\\.|%2E|%2e)(.+)", tags_route);
server.Get("/(" DOMAIN_RE ")/about", about_route);
server.Get("/(" DOMAIN_RE ")/?", [](const httplib::Request& req, httplib::Response& res) {
serve_redirect(req, res, get_origin(req) + '/' + req.matches.str(1) + "/about", false);
});
server.Get("/https://?(.+)", [](const httplib::Request& req, httplib::Response& res) {
serve_redirect(req, res, get_origin(req) + '/' + req.matches.str(1), true);
});

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@ -127,6 +127,20 @@ void from_json(const json& j, PostContext& context) {
j.at("descendants").get_to(context.descendants);
}
void from_json(const json& j, Instance& instance) {
j.at("title").get_to(instance.title);
j.at("description").get_to(instance.description);
j.at("thumbnail").at("url").get_to(instance.thumbnail);
j.at("contact").at("email").get_to(instance.contact_email);
j.at("contact").at("account").get_to(instance.contact_account);
json rules = j.at("rules");
instance.rules.reserve(rules.size());
for (const json& i : rules) {
instance.rules.push_back(i.at("text").get<std::string>());
}
}
static std::regex rfc3339_re(R"EOF((\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2})(?:\.\d+)?(?:(Z)|([+-]\d{2}):(\d{2})))EOF", std::regex::ECMAScript | std::regex::icase);
time_t parse_rfc3339(const std::string& str) {

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@ -96,6 +96,15 @@ struct PostContext {
std::vector<Post> descendants;
};
struct Instance {
std::string title;
std::string description;
std::string thumbnail;
std::string contact_email;
Account contact_account;
std::vector<std::string> rules;
};
void from_json(const nlohmann::json& j, Emoji& emoji);
void from_json(const nlohmann::json& j, AccountField& field);
void from_json(const nlohmann::json& j, Account& account);
@ -104,3 +113,4 @@ void from_json(const nlohmann::json& j, PollOption& option);
void from_json(const nlohmann::json& j, Poll& poll);
void from_json(const nlohmann::json& j, Post& post);
void from_json(const nlohmann::json& j, PostContext& context);
void from_json(const nlohmann::json& j, Instance& instance);

51
routes/about.cpp Normal file
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@ -0,0 +1,51 @@
#include "routes.h"
#include "../servehelper.h"
#include "../client.h"
#include "../models.h"
void about_route(const httplib::Request& req, httplib::Response& res) {
using namespace std::string_literals;
std::string server = req.matches.str(1);
Instance instance;
blankie::html::HTMLString extended_description;
try {
instance = mastodon_client.get_instance(server);
extended_description = mastodon_client.get_extended_description(server);
} catch (const std::exception& e) {
res.status = 500;
serve_error(req, res, "500: Internal server error", "Failed to fetch instance information", e.what());
return;
}
Element rules("ol");
rules.nodes.reserve(instance.rules.size());
for (const std::string& rule : instance.rules) {
rules.nodes.push_back(Element("li", {rule}));
}
Element body("body", {
Element("a", {{"href", instance.thumbnail}}, {
Element("img", {{"class", "about_page-header"}, {"src", instance.thumbnail}}, {}),
}),
Element("p", {
Element("b", {instance.title, ":"}), " ", instance.description,
Element("br"), Element("b", {"Email:"}), " ", Element("a", {{"href", "mailto:"s + instance.contact_email}}, {instance.contact_email}),
Element("br"), Element("b", {"Administered by:"}), " ", Element("a", {{"href", get_origin(req) + '/' + server + "/@" + instance.contact_account.acct(false)}}, {
preprocess_html(req, instance.contact_account.emojis, instance.contact_account.display_name), " (@", instance.contact_account.acct(false), ")",
}),
}),
Element("details", {{"class", "about_page-about"}, {"open", ""}}, {
Element("summary", {"About"}),
preprocess_html(req, server, {}, std::move(extended_description)),
}),
Element("details", {{"class", "about_page-rules"}}, {
Element("summary", {"Rules"}),
rules,
}),
});
serve(req, res, "About "s + instance.title, std::move(body));
}

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@ -26,7 +26,7 @@ p, details {
margin-top: 1em;
margin-bottom: 1em;
}
ul {
ul, ol {
margin: revert;
padding: revert;
}
@ -165,7 +165,6 @@ svg {
.user_page-header {
width: 100%;
height: 15em;
object-fit: cover;
}
.user_page-main_header {
@ -237,6 +236,20 @@ svg {
/* don't ask why, but making it a block element just works */
display: block;
}
/* ABOUT PAGE */
.about_page-header {
width: 100%;
height: 15em;
}
:is(.about_page-about, .about_page-rules) summary {
font-size: 130%;
font-weight: bold;
}
.about_page-about * {
margin: revert;
padding: revert;
}
)EOF";
// one for \0, one for trailing newline
#define CSS_LEN sizeof(css) / sizeof(css[0]) - 2

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@ -9,3 +9,4 @@ void css_route(const httplib::Request& req, httplib::Response& res);
void user_route(const httplib::Request& req, httplib::Response& res);
void status_route(const httplib::Request& req, httplib::Response& res);
void tags_route(const httplib::Request& req, httplib::Response& res);
void about_route(const httplib::Request& req, httplib::Response& res);