Fossil

**
** If the subscriber table does exist, return 0 without doing anything.
*/
static int alert_webpages_disabled(void){
  if( alert_tables_exist() ) return 0;
  style_header("Email Alerts Are Disabled");
  @ <p>Email alerts are disabled on this server</p>
  style_body_and_footer("alerts");
  return 1;
}

/*
** Insert a "Subscriber List" submenu link if the current user
** is an administrator.
*/

  @ The default TCP port number is 25.
  @ (Property: "email-send-relayhost")</p>
  @ <hr>

  @ <p><input type="submit"  name="submit" value="Apply Changes" /></p>
  @ </div></form>
  db_end_transaction(0);
  style_body_and_footer("alerts");
}

#if 0
/*
** Encode pMsg as MIME base64 and append it to pOut
*/
static void append_base64(Blob *pOut, Blob *pMsg){

        @ </pre></blockquote>
      }else{
        @ <p>An email has been sent to "%h(zEAddr)". That email contains a
        @ hyperlink that you must click to activate your
        @ subscription.</p>
      }
      alert_sender_free(pSender);
      style_body_and_footer("alerts");
    }
    return;
  }
  style_header("Signup For Email Alerts");
  if( P("submit")==0 ){
    /* If this is the first visit to this page (if this HTTP request did not
    ** come from a prior Submit of the form) then default all of the

    @ %h(zCaptcha)
    @ </pre>
    @ Enter the 8 characters above in the "Security Code" box<br/>
    @ </td></tr></table></div>
  }
  @ </form>
  fossil_free(zErr);
  style_body_and_footer("alerts");
}

/*
** Either shutdown or completely delete a subscription entry given
** by the hex value zName.  Then paint a webpage that explains that
** the entry has been removed.
*/

    if( uid && g.perm.Admin ){
       @ <p>You may also want to
       @ <a href="%R/setup_uedit?id=%d(uid)">edit or delete
       @ the corresponding user "%h(zLogin)"</a></p>
    }
  }
  db_finalize(&q);
  style_body_and_footer("alerts");
  return;
}

/*
** WEBPAGE: alerts
**
** Edit email alert and notification settings.

  @  <td><input type="submit" name="submit" value="Submit">
  @  <input type="submit" name="delete" value="Unsubscribe">
  @ </tr>
  @ </table>
  @ </form>
  fossil_free(zErr);
  db_finalize(&q);
  style_body_and_footer("alerts");
  db_commit_transaction();
  return;
}

/* This is the message that gets sent to describe how to change
** or modify a subscription
*/

      @ %h(pSender->zErr)
      @ </pre></blockquote>
    }else{
      @ <p>An email has been sent to "%h(zEAddr)" that explains how to
      @ unsubscribe and/or modify your subscription settings</p>
    }
    alert_sender_free(pSender);
    style_body_and_footer("alerts");
    return;
  }  

  /* Non-logged-in users have to enter an email address to which is
  ** sent a message containing the unsubscribe link.
  */
  style_header("Unsubscribe Request");

  @ <div class="captcha"><table class="captcha"><tr><td><pre class="captcha">
  @ %h(zCaptcha)
  @ </pre>
  @ Enter the 8 characters above in the "Security Code" box<br/>
  @ </td></tr></table></div>
  @ </form>
  fossil_free(zErr);
  style_body_and_footer("alerts");
}

/*
** WEBPAGE: subscribers
**
** This page, accessible to administrators only,
** shows a list of subscriber email addresses.

    @ <td data-sortkey='%010llx(iMtime)'>%z(human_readable_age(rAge))</td>
    @ <td>%h(db_column_text(&q,7))</td>
    @ </tr>
  }
  @ </tbody></table>
  db_finalize(&q);
  style_table_sorter();
  style_body_and_footer("alerts");
}

#if LOCAL_INTERFACE
/*
** A single event that might appear in an alert is recorded as an
** instance of the following object.
**

  const char *zDecoded;
  char *zCaptcha = 0;

  login_check_credentials();
  if( zAdminEmail==0 || zAdminEmail[0]==0 ){
    style_header("Outbound Email Disabled");
    @ <p>Outbound email is disabled on this repository
    style_body_and_footer("alerts");
    return;
  }
  if( P("submit")!=0 
   && P("subject")!=0
   && P("msg")!=0
   && P("from")!=0
   && cgi_csrf_safe(1)

      @ %h(pSender->zErr)
      @ </pre></blockquote>
    }else{
      @ <p>Your message has been sent to the repository administrator.
      @ Thank you for your input.</p>
    }
    alert_sender_free(pSender);
    style_body_and_footer("alerts");
    return;
  }
  if( captcha_needed() ){
    uSeed = captcha_seed();
    zDecoded = captcha_decode(uSeed);
    zCaptcha = captcha_render(zDecoded);
  }

    @ <div class="captcha"><table class="captcha"><tr><td><pre class="captcha">
    @ %h(zCaptcha)
    @ </pre>
    @ Enter the 8 characters above in the "Security Code" box<br/>
    @ </td></tr></table></div>
  }
  @ </form>
  style_body_and_footer("alerts");
}

/*
** Send an annoucement message described by query parameter.
** Permission to do this has already been verified.
*/
static char *alert_send_announcement(void){

      @ <blockquote><pre>
      @ %h(zErr)
      @ </pre></blockquote>
    }else{
      @ <p>The announcement has been sent.
      @ <a href="%h(PD("REQUEST_URI","/"))">Send another</a></p>
    }
    style_body_and_footer("alerts");
    return;
  } else if( !alert_enabled() ){
    style_header("Cannot Send Announcement");
    @ <p>Either you have no subscribers yet, or email alerts are not yet
    @ <a href="https://fossil-scm.org/fossil/doc/trunk/www/alerts.md">set up</a>
    @ for this repository.</p>
    return;

    @   <td><input type="submit" name="submit" value="Dry Run">
  }else{
    @   <td><input type="submit" name="submit" value="Send Message">
  }
  @ </tr>
  @ </table>
  @ </form>
  style_body_and_footer("alerts");
}