174 lines
5.5 KiB
D
Executable File
174 lines
5.5 KiB
D
Executable File
//#!/usr/bin/rdmd
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import std.stdio, std.path, std.process, std.file, std.array, std.string, std.algorithm, std.datetime, std.ascii;
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import config;
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string dweb_root;
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string indent = "";
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void html(string s) { writeln(indent ~ s); }
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void html_pop(string s) { indent = indent[0..max(0, $-4)]; html(s); }
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void html_push(string s) { html(s); indent ~= " "; }
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void write_link(string to, bool expand) {
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bool isdir = dirExists(dweb_root ~ "/srv/" ~ to[url_root.length..$]);
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string flair = nav_tree_chev? (expand? "» " : "› ") : "";
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html_push("<li" ~ (expand? " class=\"thisPage\" " : "") ~ ">");
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html("<a href=\"" ~ to ~ (isdir ? "/" : "") ~ "\">"
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~ flair ~ baseName(to) ~ (isdir ? "/" : "") ~ "</a>");
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html_pop("</li>");
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}
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void nav_tree_r(string url, string cur_loc, string[] subdirs) {
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string[] dirs = array(map!"a.name"(dirEntries(dweb_root ~ "/srv/" ~ cur_loc, SpanMode.shallow)));
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sort(dirs);
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if (dirs.length == 0) return;
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bool inserted_ul = false;
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bool next = false;
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string next_loc;
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foreach(string s; dirs) {
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s= s[(dweb_root ~ "/srv/").length..$];
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string name = stripExtension(baseName(s));
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if (name.length == 0) continue; // e.g. ".md", should we do something else with these files?
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if (name == "index") continue; // "index" will never appear in the nav_tree.
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if (name[0] == '@') continue; // hidden file
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if (!inserted_ul) { html_push("<ul>"); inserted_ul = true; }
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bool expand = subdirs.length > 0 && name == subdirs[0];
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write_link(url_root ~ stripExtension(s), expand);
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if (expand && isDir(dweb_root ~ "/srv/" ~ s)) {
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if (nav_tree_vert) {
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html_push("<li>");
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nav_tree_r(url, (cur_loc == "" ? "" : cur_loc ~ "/") ~ subdirs[0], subdirs[1..$]);
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html_pop("</li>");
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} else {
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next = true;
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next_loc = (cur_loc == "" ? "" : cur_loc ~ "/") ~ subdirs[0];
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}
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}
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}
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if (inserted_ul) html_pop("</ul>");
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if (next) nav_tree_r(url, next_loc, subdirs[1..$]);
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}
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void do_nav_tree(string url) {
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html_push("<div id=\"" ~ (nav_tree_vert ? "" : "horiz-") ~ "side-bar\">");
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nav_tree_r(url, "", cast(string[])array(pathSplitter(url)));
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html_pop("</div>\n");
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}
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void not_found(string path) {
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html("The page <code>" ~ path ~ "</code> does not exist. (404)");
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}
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void do_header() {
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html_push("<div id=\"header\">");
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html_push("<div class=\"superHeader\">");
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html_push("<div class=\"left\">");
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html_pop("</div>");
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html_push("<div class=\"right\">");
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html("<a href=\"" ~ url_root ~ "changelog\">changelog</a>");
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html_pop("</div>");
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html_pop("</div>");
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html_push("<div class=\"midHeader\">");
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html_push("<h1 class=\"headerTitle\">");
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html("<a href=\"" ~ url_root ~ "\">" ~ site_title ~ " <span id=\"headerSubTitle\">" ~ site_subtitle ~ "</span></a>");
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html_pop("</h1>");
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html_pop("</div>");
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html_push("<div class=\"subHeader\">");
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html("<br>");
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html_pop("</div>");
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html_pop("</div>\n");
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}
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bool dirExists(string path) { try { if (isDir(path)) return true; else return false; } catch (Exception e) { return false; } }
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void do_content(string url) {
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html_push("<div id=\"main-copy\"" ~ (nav_tree_vert? " class=\"main-copy-side-bar\"" : "") ~ ">");
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// first, see if we have something that wants to handle url outright
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foreach (string glob, string h; handlers) {
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if (globMatch(url, glob)) {
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html(shell(dweb_root ~ "/bin/" ~ h ~ " " ~ url));
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html_pop("</div>");
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return;
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}
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}
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// if that failed, see if we can handle the file
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if (url == "" ? true : url[$-1] == '/') url ~= "index";
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foreach (f; array(map!"a.name"(dirEntries(dirName(dweb_root ~ "/srv/" ~ url), SpanMode.shallow)))) {
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if (isDir(f)) continue;
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string name = baseName(f); name = name[0] == '@' ? name[1..$] : name;
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if (stripExtension(name) == baseName(url)) {
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foreach (string glob, string h; handlers) {
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if (globMatch(name, glob)) {
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html(shell(dweb_root ~ "/bin/" ~ h ~ " " ~ f));
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html_pop("</div>");
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return;
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}
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}
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}
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}
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if (baseName(url) != "index") not_found(url);
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html_pop("</div>");
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}
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void do_footer() {
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html_push("<div id=\"footer\">");
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html_push("<div class=\"left\">");
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html("<a href=\"" ~ url_root ~ "dweb\">Powered by dweb</a>");
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html_pop("</div>");
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html_push("<div class=\"right\">");
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html(" ");
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html_pop("</div>");
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html_pop("</div>\n");
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}
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bool evil(string s) {
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foreach(char c; s) if (!isAlphaNum(c) && c != '/' && c != '-' && c != '_') return true;
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return false;
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}
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void main(string[] args) {
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init_handlers();
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dweb_root = getcwd()[0..$-4]; // take out bin/
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html("Content-type: text/html\n");
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html("<!DOCTYPE html>");
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html_push("<html>\n");
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string url = getenv("REQUEST_URI")[url_root.length..$];
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if (evil(url)) { html ("bad url."); return; }
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string pagename = baseName(url);
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if (pagename.length != 0) pagename = " - " ~ pagename;
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pagename = site_title ~ pagename;
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html_push("<head>");
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html("<title>" ~ pagename ~ "</title>");
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html("<link rel=\"stylesheet\" href=\"" ~ url_root ~ "pub/style/style.css\" type=\"text/css\" media=\"screen, handheld\" title=\"default\">");
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html("<meta charset=\"UTF-8\">");
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html("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">");
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html_pop("</head>\n");
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html_push("<body" ~ (page_container? " style=\"text-align: center\"" : "")~ ">");
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if (page_container) html_push("<div id=\"container\">");
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do_header();
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do_nav_tree(url);
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do_content(url);
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do_footer();
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if (page_container) html_pop("</div>");
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html_pop("</body>\n");
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html_pop("</html>");
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}
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