Fossil

#include "config.h"
#include <assert.h>
#include "forum.h"

/*
** Render a forum post for display
*/
void forum_render(
  const char *zTitle,
  const char *zMimetype,
  const char *zContent
){
  Blob x;
  @ <div style='border: 1px solid black;padding: 1ex;'>
  if( zTitle ){
    @ <h1>%h(zTitle)</h1>
  }
  blob_init(&x, 0, 0);
  blob_append(&x, zContent, -1);
  wiki_render_by_mimetype(&x, zMimetype);
  blob_reset(&x);
  @ </div>
}

/*
** Display all posts in a forum thread in chronological order
*/
static void forum_thread_chronological(int froot){
  Stmt q;

      @ edit of %d(fprev)
    }
    if( firt ){
      @ reply to %d(firt)
    }
    if( g.perm.Debug ){
      @ <span class="debug">\
      @ <a href="%R/artifact/%h(zUuid)">artifact</a></span>
    }
    forum_render(0, pPost->zMimetype, pPost->zWiki);
    if( g.perm.WrForum ){
      int sameUser = login_is_individual()
                     && fossil_strcmp(pPost->zUser, g.zLogin)==0;
      int isPrivate = content_is_private(fpid);
      @ <p><form action="%R/forumedit" method="POST">
      @ <input type="hidden" name="fpid" value="%s(zUuid)">
      if( !isPrivate ){

  const char *zTitle,          /* Title.  NULL for replies */
  int iInReplyTo,              /* Post replying to.  0 for new threads */
  int iEdit,                   /* Post being edited, or zero for a new post */
  const char *zUser,           /* Username.  NULL means use login name */
  const char *zMimetype,       /* Mimetype of content. */
  const char *zContent         /* Content */
){
  char *zDate;
  char *zI;
  char *zG;
  int iBasis;
  Blob x, cksum, formatCheck, errMsg;
  Manifest *pPost;

  schema_forum();
  if( iInReplyTo==0 && iEdit>0 ){
    iBasis = iEdit;
    iInReplyTo = db_int(0, "SELECT firt FROM forumpost WHERE fpid=%d", iEdit);
  }else{
    iBasis = iInReplyTo;
  }
  webpage_assert( (zTitle==0)+(iInReplyTo==0)==1 );
  blob_init(&x, 0, 0);
  zDate = date_in_standard_format("now");
  blob_appendf(&x, "D %s\n", zDate);
  fossil_free(zDate);



  zG = db_text(0, 
     "SELECT uuid FROM blob, forumpost"
     " WHERE blob.rid==forumpost.froot"
     "   AND forumpost.fpid=%d", iBasis);

  if( zG ){
    blob_appendf(&x, "G %s\n", zG);
    fossil_free(zG);
  }
  if( zTitle ){
    blob_appendf(&x, "H %F\n", zTitle);
  }
  zI = db_text(0, "SELECT uuid FROM blob WHERE rid=%d", iInReplyTo);
  if( zI ){
    blob_appendf(&x, "I %s\n", zI);
    fossil_free(zI);
  }
  if( fossil_strcmp(zMimetype,"text/x-fossil-wiki")!=0 ){
    blob_appendf(&x, "N %s\n", zMimetype);
  }
  if( iEdit>0 ){
    char *zP = db_text(0, "SELECT uuid FROM blob WHERE rid=%d", iEdit);
    if( zP==0 ) webpage_error("missing edit artifact %d", iEdit);
    blob_appendf(&x, "P %s\n", zP);
    fossil_free(zP);
  }
  if( zUser==0 ){
    if( login_is_nobody() ){
      zUser = "anonymous";
    }else{
      zUser = login_name();
    }
  }
  blob_appendf(&x, "U %F\n", zUser);
  blob_appendf(&x, "W %d\n%s\n", strlen(zContent), zContent);
  md5sum_blob(&x, &cksum);
  blob_appendf(&x, "Z %b\n", &cksum);
  blob_reset(&cksum);

  /* Verify that the artifact we are creating is well-formed */
  blob_init(&formatCheck, 0, 0);
  blob_init(&errMsg, 0, 0);
  blob_copy(&formatCheck, &x);
  pPost = manifest_parse(&formatCheck, 0, &errMsg);
  if( pPost==0 ){
    webpage_error("malformed forum post artifact - %s", blob_str(&errMsg));
  }
  if( pPost->type!=CFTYPE_FORUM ){
    webpage_error("forum post artifact malformed");
  }
  manifest_destroy(pPost);

  if( P("dryrun") ){
    @ <div class='debug'>
    @ This is the artifact that would have been generated:
    @ <pre>%h(blob_str(&x))</pre>
    @ </div>
    blob_reset(&x);
    return 0;
  }else{
    int nrid = wiki_put(&x, 0, forum_need_moderation());
    cgi_redirectf("%R/forumthread/%S", rid_to_uuid(nrid));
    return 1;
  }




}

/*
** Paint the form elements for entering a Forum post
*/
static void forum_entry_widget(
  const char *zTitle,

    login_needed(g.anon.WrForum);
    return;
  }
  if( P("submit") ){
    if( forum_post(zTitle, 0, 0, 0, zMimetype, zContent) ) return;
  }
  if( P("preview") ){
    @ <h1>Preview:</h1>
    forum_render(zTitle, zMimetype, zContent);

  }
  style_header("New Forum Thread");
  @ <form action="%R/%s(g.zPath)" method="POST">
  forum_entry_widget(zTitle, zMimetype, zContent);
  @ <input type="submit" name="preview" value="Preview">
  if( P("preview") ){
    @ <input type="submit" name="submit" value="Submit">

    @ Show query parameters</label>
    @ </div>
  }
  @ </form>
  style_footer();
}















/*
** WEBPAGE: forumedit
**
** Edit an existing forum message.
** Query parameters:
**
**   name=X        Hash of the post to be editted.  REQUIRED
*/
void forumedit_page(void){
  int fpid;
  Manifest *pPost;
  const char *zMimetype = 0;
  const char *zContent = 0;
  const char *zTitle = 0;

  login_check_credentials();
  if( !g.perm.WrForum ){
    login_needed(g.anon.WrForum);
    return;
  }
  fpid = symbolic_name_to_rid(PD("fpid",""), "f");
  if( fpid<=0 || (pPost = manifest_get(fpid, CFTYPE_FORUM, 0))==0 ){
    webpage_error("Missing or invalid fpid query parameter");

  }
  if( g.perm.ModForum ){
    if( P("approve") ){
      webpage_not_yet_implemented();
      return;
    }
    if( P("reject") ){
      webpage_not_yet_implemented();
      return;
    }
  }
  if( P("submit") && cgi_csrf_safe(1) ){
    int done = 1;
    const char *zMimetype = PD("mimetype","text/x-fossil-wiki");
    const char *zContent = PDT("content","");
    if( P("reply") ){
      done = forum_post(0, fpid, 0, 0, zMimetype, zContent);
    }else if( P("edit") ){
      done = forum_post(P("title"), 0, fpid, 0, zMimetype, zContent);
    }else{
      webpage_error("Missing 'reply' query parameter");
    }
    if( done ) return;
  }
  if( P("edit") ){
    /* Provide an edit to the fpid post */
    zMimetype = P("mimetype");
    zContent = PT("content");
    zTitle = P("title");
    if( zContent==0 ) zContent = fossil_strdup(pPost->zWiki);
    if( zMimetype==0 ) zMimetype = fossil_strdup(pPost->zMimetype);
    if( zTitle==0 && pPost->zThreadTitle!=0 ){
      zTitle = fossil_strdup(pPost->zThreadTitle);
    }
    style_header("Forum Edit");
    @ <h1>Original Post:</h1>
    forum_render(pPost->zThreadTitle, pPost->zMimetype, pPost->zWiki);
    if( P("preview") ){
      @ <h1>Preview Of Editted Post:</h1>
      forum_render(zTitle, zMimetype, zContent);
    }
    @ <h1>
    @ <h1>Enter A Reply:</h1>
    @ <form action="%R/forumedit" method="POST">
    @ <input type="hidden" name="fpid" value="%h(P("fpid"))">
    @ <input type="hidden" name="edit" value="1">
    forum_entry_widget(zTitle, zMimetype, zContent);
  }else{
    zMimetype = PD("mimetype","text/x-fossil-wiki");
    zContent = PDT("content","");
    style_header("Forum Reply");
    @ <h1>Replying To:</h1>
    forum_render(0, pPost->zMimetype, pPost->zWiki);
    if( P("preview") ){
      @ <h1>Preview:</h1>
      forum_render(0, zMimetype,zContent);
    }
    @ <h1>Enter A Reply:</h1>
    @ <form action="%R/forumedit" method="POST">
    @ <input type="hidden" name="fpid" value="%h(P("fpid"))">
    @ <input type="hidden" name="reply" value="1">
    forum_entry_widget(0, zMimetype, zContent);
  }
  @ <input type="submit" name="preview" value="Preview">
  if( P("preview") ){
    @ <input type="submit" name="submit" value="Submit">
  }
  if( g.perm.Debug ){
    /* For the test-forumnew page add these extra debugging controls */
    @ <div class="debug">
    @ <label><input type="checkbox" name="dryrun" %s(PCK("dryrun"))> \
    @ Dry run</label>
    @ <br><label><input type="checkbox" name="domod" %s(PCK("domod"))> \
    @ Require moderator approval</label>
    @ <br><label><input type="checkbox" name="showqp" %s(PCK("showqp"))> \
    @ Show query parameters</label>
    @ </div>
  }
  @ </form>

  style_footer();
}

** the error message is shown.
**
** If zFormat is an empty string, then this is the /test_env page.
*/
void webpage_error(const char *zFormat, ...){
  int i;
  int showAll;
  char *zErr = 0;
  int isAuth = 0;
  char zCap[100];
  static const char *const azCgiVars[] = {
    "COMSPEC", "DOCUMENT_ROOT", "GATEWAY_INTERFACE",
    "HTTP_ACCEPT", "HTTP_ACCEPT_CHARSET", "HTTP_ACCEPT_ENCODING",
    "HTTP_ACCEPT_LANGUAGE", "HTTP_AUTHENICATION",
    "HTTP_CONNECTION", "HTTP_HOST",

  if( zFormat[0] ){
    va_list ap;
    va_start(ap, zFormat);
    zErr = vmprintf(zFormat, ap);
    va_end(ap);
    style_header("Bad Request");
    @ <h1>/%h(g.zPath): %h(zErr)</h1>

    showAll = 0;




  }else if( !isAuth ){
    login_needed(0);
    return;
  }else{
    style_header("Environment Test");
    showAll = PB("showall");
    style_submenu_checkbox("showall", "Cookies", 0, 0);
    style_submenu_element("Stats", "%R/stat");
  }

  if( isAuth ){
  #if !defined(_WIN32)
    @ uid=%d(getuid()), gid=%d(getgid())<br />
  #endif
    @ g.zBaseURL = %h(g.zBaseURL)<br />
    @ g.zHttpsURL = %h(g.zHttpsURL)<br />
    @ g.zTop = %h(g.zTop)<br />
    @ g.zPath = %h(g.zPath)<br />
    @ g.userUid = %d(g.userUid)<br />
    @ g.zLogin = %h(g.zLogin)<br />
    @ g.isHuman = %d(g.isHuman)<br />
    if( g.nRequest ){
      @ g.nRequest = %d(g.nRequest)<br />
    }
    if( g.nPendingRequest>1 ){
      @ g.nPendingRequest = %d(g.nPendingRequest)<br />
    }
    @ capabilities = %s(find_capabilities(zCap))<br />
    if( zCap[0] ){
      @ anonymous-adds = %s(find_anon_capabilities(zCap))<br />
    }
    @ g.zRepositoryName = %h(g.zRepositoryName)<br />
    @ load_average() = %f(load_average())<br />
    @ cgi_csrf_safe(0) = %d(cgi_csrf_safe(0))<br />
    @ <hr />
    P("HTTP_USER_AGENT");
    cgi_print_all(showAll, 0);
    if( showAll && blob_size(&g.httpHeader)>0 ){
      @ <hr />
      @ <pre>
      @ %h(blob_str(&g.httpHeader))
      @ </pre>
    }
  }
  style_footer();
  if( zErr ){
    fossil_panic("webpage_error: %s", zErr);
  }
}

/*
** Generate a Not Yet Implemented error page.
*/
void webpage_not_yet_implemented(void){
  webpage_error("Not yet implemented");
}

#if INTERFACE
# define webpage_assert(T) \
   if(!(T)){webpage_error("assertion failed %s:%d: %s",__FILE__,__LINE__,#T);}
#endif