Fossil

*/
void email_schema(void){
  if( !db_table_exists("repository", "subscriber") ){
    db_multi_exec(zEmailInit/*works-like:""*/);
  }
}

/*
** Return true if email alerts are active.
*/
int email_enabled(void){
  if( !db_table_exists("repository", "subscriber") ) return 0;
  if( fossil_strcmp(db_get("email-send-method","off"),"off")==0 ) return 0;
  return 1;
}

/*
** Insert a "Subscriber List" submenu link if the current user
** is an administrator.
*/
void email_subscriber_list_link(void){
  if( g.perm.Admin ){
    style_submenu_element("Subscriber List","%R/subscribers");
  }
}


/*
** WEBPAGE: setup_email
**
** Administrative page for configuring and controlling email notification
*/
void setup_email(void){
  static const char *const azSendMethods[] = {
    "off",  "Disabled",
    "pipe", "Pipe to a command",
    "db",   "Store in a database",
    "file", "Store in a directory"
  };
  login_check_credentials();
  if( !g.perm.Setup ){
    login_needed(0);
    return;
  }
  db_begin_transaction();

  email_subscriber_list_link();
  style_header("Email Notification Setup");
  @ <form action="%R/setup_email" method="post"><div>
  @ <input type="submit"  name="submit" value="Apply Changes" /><hr>
  login_insert_csrf_secret();
  multiple_choice_attribute("Email Send Method", "email-send-method", "esm",
       "off", count(azSendMethods)/2, azSendMethods);
  @ <p>How to send email.  The "Pipe to a command"
  @ method is the usual choice in production.
  @ (Property: "email-send-method")</p>
  @ <hr>
  entry_attribute("Command To Pipe Email To", 80, "email-send-command",
                   "ecmd", "sendmail -t", 0);
  @ <p>When the send method is "pipe to a command", this is the command
  @ that is run.  Email messages are piped into the standard input of this
  @ command.  The command is expected to extract the sender address,
  @ recepient addresses, and subject from the header of the piped email
  @ text.  (Property: "email-send-command")</p>

  entry_attribute("Database In Which To Store Email", 60, "email-send-db",
                   "esdb", "", 0);
  @ <p>When the send method is "store in a databaes", each email message is
  @ stored in an SQLite database file with the name given here.
  @ (Property: "email-send-db")</p>

  entry_attribute("Directory In Which To Store Email", 60, "email-send-dir",
                   "esdir", "", 0);
  @ <p>When the send method is "store in a directory", each email message is
  @ stored as a separate file in the directory shown here.
  @ (Property: "email-send-dir")</p>
  @ <hr>

  entry_attribute("\"From\" email address", 40, "email-self",
                   "eself", "", 0);
  @ <p>This is the email from which email notifications are sent.  The
  @ system administrator should arrange for emails sent to this address
  @ to be handed off to the "fossil email incoming" command so that Fossil
  @ can handle bounces. (Property: "email-self")</p>
  @ <hr>

  entry_attribute("Administrator email address", 40, "email-admin",
                   "eadmin", "", 0);
  @ <p>This is the email for the human administrator for the system.
  @ Abuse and trouble reports are send here.
  @ (Property: "email-admin")</p>
  @ <hr>
  @ <p><input type="submit"  name="submit" value="Apply Changes" /></p>
  @ </div></form>
  db_end_transaction(0);

  }
  if( login_is_individual()
   && db_exists("SELECT 1 FROM subscriber WHERE suname=%Q",g.zLogin)
  ){
    /* This person is already signed up for email alerts.  Jump
    ** to the screen that lets them edit their alert preferences.
    */
    cgi_redirectf("%R/alerts");
    return;
  }
  email_subscriber_list_link();
  needCaptcha = !login_is_individual();
  if( P("submit")
   && cgi_csrf_safe(1)
   && subscribe_error_check(&eErr,&zErr,needCaptcha)
  ){
    /* A validated request for a new subscription has been received. */
    char ssub[20];

    @  <label><input type="checkbox" name="dnc" %s(PCK("dnc"))> \
    @  Do not call</label><br>
  }
  @ </td>
  @ </tr>
  @ <tr>
  @  <td></td>
  if( needCaptcha && !email_enabled() ){
    @  <td><input type="submit" name="submit" value="Submit" disabled>
    @  (Email current disabled)</td>
  }else{
    @  <td><input type="submit" name="submit" value="Submit"></td>
  }
  @ </tr>
  @ </table>
  if( needCaptcha ){
    @ <div class="captcha"><table class="captcha"><tr><td><pre>
    @ %h(zCaptcha)
    @ </pre>
    @ Enter the 8 characters above in the "Security Code" box

    zName = db_text(0, "SELECT hex(subscriberCode) FROM subscriber"
                       " WHERE suname=%Q", g.zLogin);
  }
  if( zName==0 || !validate16(zName, -1) ){
    cgi_redirect("subscribe");
    return;
  }
  email_subscriber_list_link();
  if( P("submit")!=0 && cgi_csrf_safe(1) ){
    int sdonotcall = PB("sdonotcall");
    int sdigest = PB("sdigest");
    char ssub[10];
    int nsub = 0;
    const char *suname = 0;
    if( PB("sa") ) ssub[nsub++] = 'a';

  style_header("Subscriber List");
  blob_init(&sql, 0, 0);
  blob_append_sql(&sql,
    "SELECT hex(subscriberCode),"
    "       semail,"
    "       ssub,"
    "       suname,"
    "       sverified,"
    "       sdigest"
    " FROM subscriber"
  );
  db_prepare_blob(&q, &sql);
  @ <table border="1">
  @ <tr>
  @ <th>Email
  @ <th>Events
  @ <th>Digest-Only?
  @ <th>User
  @ <th>Verified?
  @ </tr>
  while( db_step(&q)==SQLITE_ROW ){
    @ <tr>
    @ <td><a href='%R/alerts/%s(db_column_text(&q,0))'>\
    @ %h(db_column_text(&q,1))</a></td>
    @ <td>%h(db_column_text(&q,2))</td>
    @ <td>%s(db_column_int(&q,5)?"digest":"")</td>
    @ <td>%h(db_column_text(&q,3))</td>
    @ <td>%s(db_column_int(&q,4)?"yes":"pending")</td>
    @ </tr>
  }
  @ </table>
  db_finalize(&q);
  style_footer();
}

      }
      @ </div>
      free(zCaptcha);
    }
    @ </form>
  }
  if( g.zLogin && g.perm.Password ){
    if( email_enabled() ){
      @ <hr>
      @ <p>Configure <a href="%R/alerts">Email Alerts</a>
      @ for user <b>%h(g.zLogin)</b></p>
    }
    @ <hr />
    @ <p>Change Password for user <b>%h(g.zLogin)</b>:</p>
    form_begin(0, "%R/login");
    @ <table>
    @ <tr><td class="form_label">Old Password:</td>
    @ <td><input type="password" name="p" size="30" /></td></tr>
    @ <tr><td class="form_label">New Password:</td>

    login_verify_csrf_secret();
    db_set(zVar, zQ, 0);
    admin_log("Set entry_attribute %Q to: %.*s%s",
              zVar, 20, zQ, (nZQ>20 ? "..." : ""));
    zVal = zQ;
  }
  @ <input type="text" id="%s(zQParm)" name="%s(zQParm)" value="%h(zVal)" \
  @ size="%d(width)" \
  if( disabled ){
    @ disabled="disabled" \
  }
  @ /> <b>%s(zLabel)</b>
}

/*
** Generate a text box for an attribute.
*/