menu.php3 13.9 KB
Newer Older
1 2 3 4 5 6 7
<?php

$STATUS_NOSTATUS  = 0;
$STATUS_LOGGEDIN  = 1;
$STATUS_LOGGEDOUT = 2;
$STATUS_LOGINFAIL = 3;
$STATUS_TIMEDOUT  = 4;
8
$STATUS_NOLOGINS  = 5;
9 10 11
$login_status     = $STATUS_NOSTATUS;
$login_message    = "";
$error_message    = 0;
12
$login_uid        = 0;
13

14 15 16 17 18 19
#
# This has to be set so we can spit out http or https paths properly!
# Thats because browsers do not like a mix of secure and nonsecure.
# 
$BASEPATH	  = "";

20 21 22 23 24 25
#
# WRITESIDEBARBUTTON(text, link): Write a button on the sidebar menu.
# We do not currently try to match the current selection so that its
# link looks different. Not sure its really necessary.
#
function WRITESIDEBARBUTTON($text, $base, $link) {
26
    $link = "$base/$link";
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
    
    echo "<!-- Table row for button $text -->
          <tr>
            <td valign=center align=left nowrap>
                <b>
         	 <a class=sidebarbutton href=\"$link\">$text</a>\n";
    #
    # XXX these blanks look bad in lynx, but add required
    #     spacing between menu and body
    #
    echo "       &nbsp;&nbsp;\n";

    echo "      </b>
            </td>
          </tr>\n";
}

#
# WRITESIDEBAR(): Write the menu. The actual menu options the user
# sees depends on the login status and the DB status.
#
function WRITESIDEBAR() {
49
    global $login_status, $login_message, $error_message, $login_uid;
50
    global $STATUS_NOSTATUS, $STATUS_LOGGEDIN, $STATUS_LOGGEDOUT;
51
    global $STATUS_LOGINFAIL, $STATUS_TIMEDOUT, $STATUS_NOLOGINS;
52 53 54 55 56
    global $TBBASE, $TBDOCBASE, $TBDBNAME, $BASEPATH;

    #
    # The document base cannot be a mix of secure and nonsecure.
    # 
57 58 59

    echo "<table cellspacing=2 cellpadding=2 border=0 width=150>\n";

60
    WRITESIDEBARBUTTON("Home", $TBDOCBASE, "index.php3");
61 62
    WRITESIDEBARBUTTON("Publications", $TBDOCBASE, "pubs.php3");
    WRITESIDEBARBUTTON("Documentation", $TBDOCBASE, "doc.php3");
Robert Ricci's avatar
Robert Ricci committed
63
    WRITESIDEBARBUTTON("FAQ", $TBDOCBASE, "faq.php3");
64 65
    WRITESIDEBARBUTTON("Tutorial", $TBDOCBASE, "tutorial/tutorial.php3");
    WRITESIDEBARBUTTON("People", $TBDOCBASE, "people.php3");
66
    WRITESIDEBARBUTTON("Projects Using Emulab.Net", $TBDOCBASE, "projectlist.php3");
67 68 69 70 71 72 73 74 75 76

    echo "<tr>
            <td height=30 valign=center align=center nowrap>
             <b><span class=sidebarbutton>
                  Web Interface Options
                </span>
             </b>
            </td>
          </tr>\n";

77
    if ($login_status == $STATUS_NOLOGINS) {
78 79 80
        WRITESIDEBARBUTTON("Web Interface Temporarily Unavailable",
			   $TBDOCBASE, "nologins.php3");

81 82 83 84 85 86 87 88
	echo "<tr>
               <td height=30 valign=center align=center nowrap>
                  <b><span class=sidebarbutton>
                       Please Try Again Later
                     </span>
                  </b>
               </td>
              </tr>\n";
89
    }
90
    elseif ($login_status == $STATUS_LOGGEDIN) {
91
	$query_result = mysql_db_query($TBDBNAME,
92
		"SELECT status,admin,stud FROM users WHERE uid='$login_uid'");
93 94 95
	$row = mysql_fetch_row($query_result);
	$status = $row[0];
	$admin  = $row[1];
96
	$stud   = $row[2];
97 98 99 100 101 102

        #
        # See if group_root in any projects, not just the last one in the DB!
        #
	$query_result = mysql_db_query($TBDBNAME,
		"SELECT trust FROM proj_memb ".
103
		"WHERE uid='$login_uid' and trust='group_root'");
104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127
	if (mysql_num_rows($query_result)) {
	    $trusted = 1;
	}
	else {
	    $trusted = 0;
	}

	if ($status == "active") {
	    if ($admin) {
		WRITESIDEBARBUTTON("New Project Approval",
				   $TBBASE, "approveproject_list.php3");
	    }
	    if ($trusted) {
                # Only group leaders can do these options
		WRITESIDEBARBUTTON("New User Approval",
				   $TBBASE, "approveuser_form.php3");
	    }
	    #
            # Since a user can be a member of more than one project,
            # display this option, and let the form decide if the user is
            # allowed to do this.
	    #
	    WRITESIDEBARBUTTON("Project Information",
			       $TBBASE, "showproject_list.php3");
128 129 130 131 132 133 134 135
	    
	    if ($admin) {
		WRITESIDEBARBUTTON("User List",
				   $TBBASE, "showuser_list.php3");
		WRITESIDEBARBUTTON("Node Control",
				   $TBBASE, "nodecontrol_list.php3");
	    }
	    
136 137 138 139
	    WRITESIDEBARBUTTON("Begin an Experiment",
			       $TBBASE, "beginexp_form.php3");
	    WRITESIDEBARBUTTON("Experiment Information",
			       $TBBASE, "showexp_list.php3");
140 141
	    WRITESIDEBARBUTTON("Create a Batch Experiment",
			       $TBBASE, "batchexp_form.php3");
142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161
	    WRITESIDEBARBUTTON("Update user information",
			       $TBBASE, "modusr_form.php3");
	    WRITESIDEBARBUTTON("Node Reservation Status",
			       $TBBASE, "reserved.php3");
	    WRITESIDEBARBUTTON("Node Up/Down Status",
			       $TBDOCBASE, "updown.php3");
                    
	}
	elseif (($status == "newuser") || ($status == "unverified")) {
	    WRITESIDEBARBUTTON("New User Verification",
			       $TBBASE, "verifyusr_form.php3");
	}
	elseif ($status == "unapproved") {
	    $error_message = "Your account has not been approved yet. ".
		             "Please try back later";
	}
    }
    #
    # Standard options for anyone.
    #
162 163 164 165
    if ($login_status != $STATUS_NOLOGINS) {
	WRITESIDEBARBUTTON("Start Project", $TBBASE, "newproject_form.php3");
	WRITESIDEBARBUTTON("Join Project",  $TBBASE, "addusr.php3");
    }
166 167 168

    switch ($login_status) {
    case $STATUS_LOGGEDIN:
169
	$login_message = "$login_uid Logged In";
170 171 172 173 174 175 176 177 178 179
	break;
    case $STATUS_LOGGEDOUT:
	$login_message = "Logged Out";
	break;
    case $STATUS_LOGINFAIL:
	$login_message = "Login Failed";
	break;
    case $STATUS_TIMEDOUT:
	$login_message = "Login Timed Out";
	break;
180 181 182
    case $STATUS_NOLOGINS:
	$login_message = "Please Try Again Later";
	break;
183 184 185 186
    }

    #
    # Now the login/logout box. Remember, already inside a table.
187 188 189 190
    # We want the links to the login/logout pages to always be https,
    # but the images path depends on whether the page was loaded as
    # http or https, since we don't want to mix them, since they
    # cause warnings.
191 192 193
    # 
    if ($login_status == $STATUS_LOGGEDIN) {
	echo "<tr>
194 195 196 197 198
               <td align=center height=50 valign=center>
                <a href=\"$TBBASE/logout.php3?uid=$login_uid\">
	           <img alt=\"logout\" border=0
                        src=\"$BASEPATH/logoff.gif\"></a>
               </td>
199 200 201 202
              </tr>\n";
    }
    else {
	echo "<tr>
203 204 205 206 207
               <td align=center height=50 valign=center>
                <a href=\"$TBBASE/login_form.php3\">
	           <img alt=\"logon\" border=0
                        src=\"$BASEPATH/logon.gif\"></a>
               </td>
208 209
              </tr>\n";
    }
210

211 212 213 214 215 216 217 218 219 220 221
    if ($login_message) {
	echo "<tr>
                <td align=center>
                 <b>
                   <span class=sidebarbutton>
                      $login_message
                   </span>
                 <b>
                </td>
              </tr>\n";
    }
222
    #
223
    # MOTD. Set this with the webcontrol script.
224
    #
225 226 227 228 229 230 231 232 233
    # The blinking is for Mike, who says he really likes it. 
    #
    $query_result = mysql_db_query($TBDBNAME,
	"SELECT message FROM loginmessage");
    
    if (mysql_num_rows($query_result)) {
    	$row = mysql_fetch_row($query_result);
	$message = $row[0];
    
234 235
	echo "<tr>
                <td align=center>
236
                 <b>
237 238
                   <span class=sidebarbutton>
                    <font size=\"+1\" color=RED>
239
                      $message
240 241
                    </font>
                   </span>
242
                 <b>
243 244 245
                </td>
              </tr>\n";
    }
246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315
    echo "</table>
          <br>\n";
}

#
# WRITEBANNER(): write the page banner for a page.
# Called by _STARTPAGE
#
function WRITEBANNER($title) {
    global $BANNERCOLOR, $THISPROJECT, $THISHOMEBASE;

    echo "<!-- This is the page Banner -->\n";
    echo "<table cellpadding=0 cellspacing=0 border=0 bgcolor=$BANNERCOLOR>";
    echo "<tr>
            <td align=left width=\"0%\">
             <table cellpadding=5 cellspacing=0 border=0 bgcolor=\"#880000\">
              <tr>
                <td>
                 <b><font size=15 color=white face=Helvetica>
                     $THISHOMEBASE
                    </font>
                 </b>
                </td>
              </tr>
             </table>
            </td>
            <td align=left width=\"100%\">
                <table cellpadding=5 cellspacing=0 border=0
                         bgcolor=$BANNERCOLOR>
                  <tr>
                   <td>
                     <b>
                       <font size=15 face=helvetica color=\"#000000\">
                            $THISPROJECT
                       </font>
                     </b>
                   </td>
                  <tr>
                </table>
            </td>
          </tr>
          </table>\n";
}

#
# _WRITETITLE(title): write the page title for a page.
# Called by _STARTPAGE
#
function WRITETITLE($title) {
    global $TITLECOLOR;
    
    echo "<!-- This is the page Title -->
          <table width=\"100%\">
            <tr>
               <td width=\"15%\" align=left>\n";
                 #
                 # Insert a small logo here if you like.
                 #
    echo "     </td>
               <td align=left>
                   <b><font size=\"+3\" color=$TITLECOLOR>$title</font></b>
               </td>
            </tr>
          </table>\n";
}

#
# Spit out a vanilla page header.
#
function PAGEHEADER($title) {
316
    global $login_status, $TBAUTHTIMEOUT, $login_uid;
317
    global $STATUS_NOSTATUS, $STATUS_LOGGEDIN, $STATUS_LOGGEDOUT;
318 319
    global $STATUS_LOGINFAIL, $STATUS_TIMEDOUT, $STATUS_NOLOGINS;
    global $TBBASE, $TBDOCBASE, $TBDBNAME;
320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338
    global $CHECKLOGIN_NOTLOGGEDIN, $CHECKLOGIN_LOGGEDIN;
    global $CHECKLOGIN_TIMEDOUT, $CHECKLOGIN_MAYBEVALID;
    global $BASEPATH, $SSL_PROTOCOL;

    #
    # Determine the proper basepath, which depends on whether the page
    # was loaded as http or https. This lets us be consistent in the URLs
    # we spit back, so that users do not get those pesky warnings. These
    # warnings are generated when a page *loads* (say, images, style files),
    # a mix of http and https. Links can be mixed, and in fact when there
    # is no login active, we want to spit back http for the documentation,
    # but https for the start/join pages.
    #
    if (isset($SSL_PROTOCOL)) {
	$BASEPATH = $TBBASE;
    }
    else {
	$BASEPATH = $TBDOCBASE;
    }
339

340
    #
341
    # Figure out who is logged in, if anyone.
342
    # 
343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361
    if (($known_uid = GETUID()) != FALSE) {
        #
        # Check to make sure the UID is logged in (not timed out).
        #
        $status = CHECKLOGIN($known_uid);
	switch ($status) {
	case $CHECKLOGIN_NOTLOGGEDIN:
	    $login_status = $STATUS_NOSTATUS;
	    $login_uid    = 0;
	    break;
	case $CHECKLOGIN_LOGGEDIN:
	case $CHECKLOGIN_MAYBEVALID:
	    $login_status = $STATUS_LOGGEDIN;
	    $login_uid    = $known_uid;
	    break;
	case $CHECKLOGIN_TIMEDOUT:
	    $login_status = $STATUS_TIMEDOUT;
	    $login_uid    = 0;
	    break;
362 363 364
	}
    }

365 366 367 368 369 370 371
    #
    # Check for NOLOGINS. This is complicated by the fact that we
    # want to allow admin types to continue using the web interface,
    # and logout anyone else that is currently logged in!
    #
    if ($login_status == $STATUS_LOGGEDIN && NOLOGINS()) {
	$query_result = mysql_db_query($TBDBNAME,
372
		"SELECT admin FROM users WHERE uid='$login_uid'");
373 374 375 376
	$row = mysql_fetch_row($query_result);
	$admin  = $row[0];

	if (!$admin) {
377
	    DOLOGOUT($login_uid);
378 379 380 381 382 383 384
	    $login_status = $STATUS_NOLOGINS;
	}
    }
    elseif (NOLOGINS()) {
	$login_status = $STATUS_NOLOGINS;
    }

385 386 387 388 389 390 391 392 393 394 395 396 397 398 399
    echo "<html>
          <head>
           <title>Emulab.Net - $title</title>\n";

    #
    # If logged in, initialize the refresh process.
    # 
    if ($login_status == $STATUS_LOGGEDIN) {
	$timeo = $TBAUTHTIMEOUT + 120;
	echo "<noscript>
                <META HTTP-EQUIV=\"refresh\" CONTENT=\"$timeo\">
              </noscript>\n";
	$timeo *= 1000;
	echo "<script language=\"JavaScript\">
                <!--
400 401
                  var sURL = \"$TBDOCBASE/index.php3\";

402 403 404 405 406
                  function doLoad() {
                    setTimeout(\"refresh()\", $timeo );
                  }
                //-->
              </script>\n";
407 408 409 410
        #
        # Shove the rest of the Java code through to the output. 
        # 
        readfile("java.html");
411 412
    }
    
413 414
    echo " <meta HTTP-EQUIV=\"Pragma\" CONTENT=\"no-cache\">
           <link rel=\"stylesheet\" href=\"$BASEPATH/tbstyle.css\"
415 416 417 418 419 420 421 422 423 424 425 426 427 428
                 type=\"text/css\">
          </head>\n";

    #
    # If logged in, start the refresh process.
    # 
    if ($login_status == $STATUS_LOGGEDIN) {
	echo "<body onload=\"doLoad()\">\n";
    }
    else {
	echo "<body>\n";
    }

    echo "<basefont size=4>\n";
429

430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467
    WRITEBANNER($title);
    WRITETITLE($title);

    echo "<br>
          <!-- Under banner is a table with two columns: menu and content -->
          <table cellpadding=3 width=\"100%\" height=\"60%\" border=2>
          <tr>
           <!-- everthing is in a single row: two tables side-by-side -->

           <!-- MENU -->
           <td valign=top>\n";
    
    WRITESIDEBAR();

    echo " </td>

           <!-- PAGE BODY -->
           <td valign=top align=left width=\"85%\">
               <basefont size=4>
               <!-- Content follows this macro ... -->\n";
}

#
# ENDPAGE(): This terminates the table started above.
# 
function ENDPAGE() {
    echo "     <!-- ... end of page content. -->
            </td>
           </tr>
          </table>
          <br>
          <hr size=2 noshade>\n";
}

#
# Spit out a vanilla page footer.
#
function PAGEFOOTER() {
468
    global $TBDOCBASE, $TBMAILADDR;
469 470 471 472 473

    ENDPAGE();

    echo "<!-- Force full window! -->
	  <base target=_top>
474
          <center>[<a href=\"$TBDOCBASE\">Emulab.Net Home</a>]</center>
475 476 477 478 479 480 481
          <center>
           [<a href=\"http://www.cs.utah.edu/flux/\">Flux Research Group</a>]
           [<a href=\"http://www.cs.utah.edu/\">School of Computing</a>]
           [<a href=\"http://www.utah.edu/\">University of Utah</a>]
          </center>
         <p align=right>
         <font size=-2>
482 483
          Problems? Contact $TBMAILADDR
          </font>
484 485 486 487
          </body>
          </html>\n";
}
?>