mirror of git://git.psyced.org/git/psyced
581 lines
16 KiB
C
581 lines
16 KiB
C
// $Id: threads.c,v 1.41 2008/01/05 12:42:17 lynx Exp $ // vim:syntax=lpc
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//
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#include <net.h>
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#include <person.h>
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#include <status.h>
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inherit NET_PATH "place/owned";
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#ifndef DEFAULT_BACKLOG
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# define DEFAULT_BACKLOG 5
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#endif
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// datenstruktur für threads?
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//
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// bestehende struktur ist: großes array von entries.
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//
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// wie wärs mit mapping mit key=threadname und value=array-of-entries
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// subjects werden abgeschafft: sie sind der name des threads
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// wer einen thread in seinem reply umnennen will legt in wirklichkeit
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// einen neuen thread an, meinetwegen mit "was: old thread"
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//
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// der nachteil an solch einer struktur wäre, dass man neue comments
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// in alten threads nicht so schnell findet - man ist auf die notification
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// angewiesen, was andererseits die stärke von psycblogs ist.
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// man könnte die notifications zudem noch in die history einspeisen..
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//
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// nachteile an der bestehenden struktur ist: 1. threadname in jeder
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// entry, 2. threads nur mittels durchlauf des ganzen blogs darstellbar
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//
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// momentmal.. das was du "comments" nennst sind doch schon die threads!
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protected mapping* _thread;
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volatile int last_modified;
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volatile string webact;
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create() {
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::create();
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unless (pointerp(_thread)) _thread = ({ });
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}
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cmd(a, args, b, source, vars) {
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// TODO: multiline-sachen irgendwie
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mapping entry;
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int i = 0;
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int num_entries;
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//unless (source) source = previous_object();
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switch (a) {
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case "entries":
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num_entries = sizeof(args) >= 2 ? to_int(args[1]) : DEFAULT_BACKLOG;
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// _thread[<5..]
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foreach( entry : _thread[<num_entries..] ) {
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sendmsg(source, "_list_thread_item",
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// hier auch noch den text?
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"([_number]) \"[_thread]\", [_author]",
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([
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"_thread" : entry["thread"],
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"_text" : entry["text"],
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"_author" : entry["author"],
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"_date" : entry["date"],
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"_number" : i++,
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"_nick_place" : MYNICK ]) );
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}
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return 1;
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case "thread":
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unless (sizeof(args) > 2){ // num + thread
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sendmsg(source, "_warning_usage_thread",
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"Usage: /thread <threadid> <title>", ([ ]));
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return 1;
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}
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return setSubject(to_int(args[1]), ARGS(2));
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case "blog":
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case "submit":
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case "addentry":
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unless (qAide(SNICKER)) return;
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unless (sizeof(args) >= 2) {
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sendmsg(source, "_warning_usage_submit",
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"Usage: /submit <title> <text>", ([ ]));
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return 1;
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}
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return addEntry(ARGS(2), SNICKER, args[1]);
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// TODO: append fuer multiline-sachen
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#if 0
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case "iterator":
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unless (qAide(SNICKER)) return;
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sendmsg(source, "_notice_thread_iterator",
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"[_iterator] blog entries have been requested "
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"since creation.", ([
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// i suppose this wasn't intentionally using
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// MMP _count so i rename it to _iterator
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"_iterator" : v("iterator")
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]) );
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return 1;
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#endif
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case "deblog":
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case "delentry":
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unless (qAide(SNICKER)) return;
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// ist das ein typecheck ob args ein int is?
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if (sizeof(regexp( ({ args[1] }) , "^[0-9][0-9]*$"))) {
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unless (delEntry(to_int(args[1]), source, vars)) {
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sendmsg(source,"_error_invalid_thread_item",
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"There is no such thread item.", ([ ]));
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} else {
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sendmsg(source, "_notice_thread_item_removed",
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"Thread item [_number] has been removed.",
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([ "_number" : ARGS(1) ]) );
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}
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}
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return 1;
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}
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return ::cmd(a, args, b, source, vars);
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}
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msg(source, mc, data, mapping vars){
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P2(("blog.c's msg: mc %O, source %O\n", mc, source))
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// TODO: die source muss hierbei uebereinstimmen mit dem autor
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if (abbrev("_notice_authentication", mc)){
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sendmsg(source, "_notice_place_blog_authentication_success", "([_entry]) has been authenticated",
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([ "_entry" : "1" ]) );
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return;
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}
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if (abbrev("error_invalid_authentication", mc)) {
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sendmsg(source, "_notice_place_blog_authentication_failure", "Warning, someone pretends to blog as you", ([ ]) );
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return;
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}
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return ::msg(source, mc, data, vars);
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}
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#if 0
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listLastEntries(number) {
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mapping* entries;
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int i;
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entries = _thread || ({ });
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unless (sizeof(entries)) return 1;
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i = v("iterator") || 0;
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vSet("iterator", i + 1);
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return entries[<number..];
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}
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#endif
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#if 0
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allEntries(source) {
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mapping* entries;
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mapping ar;
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int i = 0;
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entries = _thread || ({ });
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unless (sizeof(entries)) return 1;
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foreach (ar : entries) {
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sendmsg(source, "_message_", "([_number]) \"[_topic]\", [_author]", ([ // ??
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"_topic" : ar["topic"],
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"_text" : ar["text"],
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"_author" : ar["author"],
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"_date" : ar["date"],
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"_number" : i++,
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"_nick_place" : MYNICK ]) );
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}
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return 1;
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}
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#endif
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#if 0
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addForum() {
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// suggested protocol message for the buha forum
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// (creation of a new thread)
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:_target psyc://psyced.org/@buha
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:_encoding utf-8
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:_nick_forum morpheus
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:_category Test-Forum
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:_thread Test-Thread_
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:_page_thread https://www.buha.info/board/showthread.php?t=1
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_notice_thread
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[_nick_forum] hat einen neuen Thread in [_category] erstellt: [_thread] ([_page_thread])
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.
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}
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#endif
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setSubject(num, thread) {
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mapping* entries;
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entries = _thread || ({ });
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// TODO: das hier muss sicherer
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entries[num]["thread"] = thread;
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_thread = entries;
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save();
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return 1;
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}
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// TODO: topic uebergeben
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addEntry(text, unick, thread) {
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mapping* entries;
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mapping newentry = ([ "text" : text,
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"author" : unick,
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"date" : isotime(ctime(), 1),
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"thread" : thread || "",
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]);
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entries = _thread || ({ });
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entries += ({ newentry });
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_thread = entries;
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save();
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castmsg(ME, "_notice_thread_item",
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"[_nick] adds an entry in \"[_thread]\" of [_nick_place].", ([
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"_entry" : text,
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"_thread" : thread,
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"_nick" : unick,
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]) );
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return 1;
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}
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addComment(text, unick, entry_id) {
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mapping entry;
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if (sizeof(_thread) > entry_id) {
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entry = _thread[entry_id];
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unless (entry["comments"]) {
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entry["comments"] = ({ });
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}
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entry["comments"] += ({ (["text" : text, "nick" : unick ]) });
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// vSet("entries", entries);
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castmsg(ME, "_notice_thread_comment",
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"[_nick] adds a comment in \"[_thread]\" of [_nick_place].", ([
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"_entry" : entry["text"],
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"_thread" : entry["thread"],
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"_comment" : text,
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"_nick" : unick,
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]) );
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return save();
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}
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return -1;
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}
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delEntry(int number, source, vars) {
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array(string) entries, authors, a;
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string unick;
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int size;
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entries = _thread || ({ });
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unless (size = sizeof(entries)) return 0;
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if (number >= size) return 0;
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if (qAide(unick = lower_case(SNICKER))) {
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unless (lower_case(entries[number]["author"]) == unick) return 0;
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}
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_thread = entries[0..number-1] + entries[number+1..];
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save();
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return 1;
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}
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htget(prot, query, headers, qs, data) {
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mapping entrymap;
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mixed target;
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string nick;
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int i;
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int a;
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mapping* entries;
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int num_entries = query["last"] ? to_int(query["last"]) : DEFAULT_BACKLOG;
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unless (webact) webact = PLACE_PATH + MYLOWERNICK;
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// shouldnt it be "html" here?
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sTextPath(query["layout"] || MYNICK, query["lang"], "ht");
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// Kommentare anzeigen
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if (query["comments"]) {
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htok(prot);
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// kommentare + urspruengliche Nachricht anzeigen
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displayHeader();
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displayComments(_thread[to_int(query["comments"])]);
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// eingabeformular ohne betreff
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write("<form action='" + webact + "' method='GET'>\n"
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"<input type='hidden' name='request' value='post'>\n"
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"PSYC Uni: <input type='text' name='uni'><br>\n"
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"<input type='hidden' name='reply' value='" + query["comments"] +"'>\n"
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"<textarea name='text' rows='14' cols='80'>Enter your text here</textarea><br>\n"
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"<input type='submit' value='submit'>\n"
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"</form>\n");
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write("<br><hr><br>");
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logView(a < 24 ? a : 12, "html", 15);
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displayFooter();
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return 1;
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}
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// formularbehandlung
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if (query["request"] == "post" && query["uni"]) {
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htok(prot);
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/*
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sendmsg uni -> _request_authentication mit thread und text drin
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dann auf die antwort warten die nen vars mapping mit thread + text hat wieder
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*/
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if (nick = legal_name(target = query["uni"])) {
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target = summon_person(nick);
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nick = target->qNick();
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} else {
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nick = target;
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// write("Hello " + query["uni"] + "<br>\n");
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// write("Remote auth doesn't work yet. TODO!!!\n");
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// return 1;
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}
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#ifdef OWNED
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if (qAide(nick)) {
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#endif
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#if 0
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sendmsg(target, "_request_authentication", "please auth me!",
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(["_host_IP" : query_ip_number(),
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"_blog_thread" : query["thread"],
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"_blog_text" : query["text"] ]));
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write("your submit is avaiting authentication by " + query["uni"] + "<br>\n");
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#endif // 0
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if (target->checkAuthentication(ME, ([ "_host_IP" : query_ip_number() ]) ) > 0) {
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// check ob reply auf irgendwas ist...
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if (query["reply"]) {
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addComment(query["text"], query["uni"], to_int(query["reply"]));
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} else {
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addEntry(query["text"], query["uni"], query["thread"]);
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}
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write("authentication successful!\n");
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} else {
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write("not authenticated!\n");
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}
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#ifdef OWNED
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} else {
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write("You are not owner or aide of this place.\n");
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}
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#endif
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return 1;
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}
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// neuen Eintrag verfassen
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if (query["request"] == "form") {
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htok(prot);
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displayHeader();
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write("<form action='" + webact + "' method='GET'>\n"
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"<input type='hidden' name='request' value='post'>\n"
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"PSYC Identity:<br><input type='text' name='uni' size=60><br>\n"
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"Thread:<br><input type='text' name='thread' size=60><br>\n"
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"Text:<br>\n<textarea name='text' rows='14' cols='64'></textarea><br>\n"
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"<input type='submit' value='CREATE MESSAGE'>\n"
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"</form>\n");
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displayFooter();
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return 1;
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}
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::htget(prot, query, headers, qs, data, 1); // no processing, just info
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// javascript-export
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if (query["export"] == "javascript") {
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// check If-Modified-Since header
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htok3(prot, "application/x-javascript", "Cache-Control: no-cache\n");
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jscriptExport(num_entries);
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} else if (query["export"] == "rss" || query["export"] == "rdf") {
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// export als RSS
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// scheinbar gibt es ein limit von 15 items / channel
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// htquote auch hier anwenden
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// check If-Modified-Since header
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htok3(prot, "text/xml", "");
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rssExport(num_entries);
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} else {
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// normaler Export
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P2(("all entries: %O\n", _thread))
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htok3(prot, "text/html", "Cache-Control: no-cache\n");
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displayHeader();
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// display the blog
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displayMain(num_entries);
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// display the chatlog
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logView(a < 24 ? a : 12, "html", 15);
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displayFooter();
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}
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return 1;
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}
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rssExport(last) {
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int i;
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int len;
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len = sizeof(_thread);
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if (last > len) last = len;
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write("<?xml version=\"1.0\" encoding=\"" SYSTEM_CHARSET "\" ?>\n"
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"<rdf:RDF\n"
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"xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\"\n"
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"xmlns=\"http://purl.org/rss/1.0/\">\n\n"
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"<channel>\n"
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"\t<title>PSYC - Protocol for Synchronous Conferencing</title>\n"
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"\t<link>http://www.psyc.eu</link>\n"
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"\t<description>News about the PSYC project</description>\n"
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"</channel>\n");
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for (i = len - last; i < len; i++) {
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write("\n<item>\n"
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"\t<title>"+ _thread[i]["thread"] +"</title>\n"
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"\t<link>http://" + SERVER_HOST + ":33333" + webact + "?comments=" + i + "</link>\n"
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"\t<description>" + _thread[i]["text"] + "</description>\n"
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"\t<dc:date>" + _thread[i]["date"] + "</dc:date>\n"
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"\t<dc:creator>" + _thread[i]["author"] + "</dc:creator>\n");
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write("</item>\n");
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}
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write("</rdf:RDF>\n");
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}
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jscriptExport(last) {
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mapping item;
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string buf = "";
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// htok3(prot, "application/x-javascript", "Cache-Control: no-cache\n");
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write("function Entry(thread, author, date, text) {\n"
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"\tthis.thread = thread;\n"
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"\tthis.author = author;\n"
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"\tthis.date = date;\n"
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"\tthis.text = text;\n"
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"}\n\n"
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"document.blogentries = new Array(\n");
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foreach (item : _thread[<last..]) {
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buf += "new Entry(\"" + item["thread"] + "\", \""
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+ item["author"] + "\", \""
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+ item["date"] + "\", \""
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+ item["text"] + "\"),\n";
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}
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buf = buf[..<3] + ");";
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write(buf);
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}
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#if 0
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displayMain(last) {
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int i;
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int len;
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len = sizeof(_thread);
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if (last > len) last = len;
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P2(("len %d, last %d\n", len, last))
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for (i = len - last; i < len; i++) {
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write("<table><tr><td class='blogthread'>" + _thread[i]["thread"]
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+ "</td>"
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"<td class='blogauthor'>" + _thread[i]["author"] + "</td>"
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"<td class='blogdate'>" + _thread[i]["date"] + "</td></tr>"
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"<tr><td class='blogtext' colspan=3>" + _thread[i]["text"]
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+ "</td></tr>"
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"<tr><td colspan=3 align='right'>");
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write("<a href='" + webact + "?comments=" + i + "'>there are " + sizeof(_thread[i]["comments"]) + " comments</a>");
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write("</td></tr></table>\n");
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}
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}
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#endif
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displayMain(last) {
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int i;
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int len;
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string t;
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len = sizeof(_thread);
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if (last > len) last = len;
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// reverse order
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for (i = len-1; i >= len - last; i--) {
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t = htquote(_thread[i]["text"]);
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t = replace(t, "\n", "<br>\n");
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write("<table class='newsTable' width='560px'>\n"
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"<tr>"
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"<td class='newsAuthor' width='20%'>" + _thread[i]["author"] + "</td>"
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"<td class='newsTime' nowrap width='20%'>" + _thread[i]["date"] + "</td>"
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"<td class='newsSubject' width='60%'>" + htquote(_thread[i]["thread"]) + "</td>"
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"</tr>\n"
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"<tr>"
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"<td colspan='3' class='newsText'>" + t + "</td>"
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"</tr>\n"
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"<tr>"
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"<td colspan='3' class='newsLink'><a href='" + webact + "?comments"
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"=" + i + "'>" + sizeof(_thread[i]["comments"]) + " comments</a></td>"
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"</tr>\n"
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"</table>\n");
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}
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}
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displayComments(data) {
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mapping item;
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write("Ursprüngliche Nachricht:<br>"
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"<b>" + data["author"] + "</b>: " + data["text"] + "<br><br>\n");
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if (data["comments"]) {
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foreach(item : data["comments"]) {
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write("<b>" + item["nick"] + "</b>: " + item["text"] + "<br>\n");
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}
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} else {
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write("no comments...<br>\n");
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}
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}
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nntpget(cmd, args) {
|
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mapping item;
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int i;
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P2(("calling nntpget %s with %O\n", cmd, args))
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switch(cmd) {
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case "LIST":
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|
write(MYNICK + " 0 1 n\n");
|
|
break;
|
|
case "ARTICLE":
|
|
i = to_int(args) - 1;
|
|
P2(("i is: %d\n", i))
|
|
P2(("entries: %O\n", _thread))
|
|
item = _thread[i];
|
|
write(S("220 %d <%s%d@%s> article\n",
|
|
i + 1, MYNICK, i + 1, SERVER_HOST));
|
|
write(S("From: %s\n", item["author"]));
|
|
write(S("Newsgroups: %s\n", MYNICK));
|
|
write(S("Subject: %s\n", item["thread"]));
|
|
write(S("Date: %s\n", item["date"]));
|
|
write(S("Xref: %s %s:%d\n", SERVER_HOST, MYNICK, i + 1));
|
|
write(S("Message-ID: <%s$%d@%s>\n", MYNICK, i+1, SERVER_HOST));
|
|
write("\n");
|
|
write(item["text"]);
|
|
write("\n.\n");
|
|
break;
|
|
case "GROUP":
|
|
write(S("211 %d 1 %d %s\n", sizeof(_thread),
|
|
sizeof(_thread), MYNICK));
|
|
break;
|
|
case "XOVER":
|
|
for (i = 0; i < sizeof(_thread); i++) {
|
|
item = _thread[i];
|
|
P2(("item: %O\n", item))
|
|
write(S("%d\t%s\t%s\t%s <%s%d@%s>\t1609\t22\tXref: news.t-online.com\t%s:%d\n",
|
|
i+1, item["thread"],
|
|
item["author"], item["date"],
|
|
MYNICK, i+1,
|
|
SERVER_HOST, MYNICK, i+1));
|
|
}
|
|
break;
|
|
default:
|
|
P2(("unimplemented nntp command: %s\n", cmd))
|
|
|
|
}
|
|
}
|
|
|
|
#ifndef STYLESHEET
|
|
# define STYLESHEET (v("_uniform_style") || "http://www.psyc.eu/blog.css")
|
|
#endif
|
|
|
|
// wir können zwei strategien fahren.. die technisch einfachere ist es
|
|
// die reihenfolge der elemente festzulegen und für jedes ein w(_HTML_xy
|
|
// auszuspucken. flexibler wär's stattdessen wenn jede seite ein einziges
|
|
// w(_PAGES_xy ausgeben würde in dem es per [_HTML_list_threads] oder
|
|
// ähnlichem die blog-elemente per psyctext-vars übergibt ... dann kann
|
|
// es immernoch per {_HTML_head_threads} header und footer einheitlich
|
|
// halten. womöglich kann man auch nachträglich plan A in plan B
|
|
// umwandeln..... hmmm -lynX
|
|
//
|
|
displayHeader() {
|
|
w("_HTML_head_threads",
|
|
"<link rel='stylesheet' type='text/css' href='"+
|
|
STYLESHEET +"'>\n"+
|
|
"<style type='text/css'>\n"
|
|
"<!--\n"
|
|
"body { font-family: lucida,verdana,geneva; }\n"
|
|
"td { font-family: lucida,verdana,geneva; }\n"
|
|
"table.newsTable {border: 1px solid #6f6; padding:4px; margin:6px;}\n"
|
|
"table td.newsAuthor {color:#fff; font-weight:bold;"
|
|
" border: 1px solid #6f6;"
|
|
" background-color:#041;}\n"
|
|
"table td.newsTime {color:#ddd;border: 1px solid #6f6;"
|
|
" background-color:#030;}\n"
|
|
"table td.newsSubject {color:#ddd; border: 1px solid #6f6;"
|
|
" background-color:#030;}\n"
|
|
"table td.newsLink {background-color:#030;}\n"
|
|
"table td.newsText {}\n"
|
|
"//-->\n"
|
|
"</style>\n"
|
|
"<body bgcolor='#002200' text='#33ff33' link='#ffdf00'"
|
|
"vlink='#ffaf00' alink='#00ff00'>\n\n");
|
|
}
|
|
displayFooter() {
|
|
w("_HTML_tail_threads", "</body>");
|
|
}
|
|
|