cgi-bin/jobs.c

   1 /*
   2  * "$Id$"
   3  *
   4  *   Job status CGI for CUPS.
   5  *
   6  *   Copyright 2007-2012 by Apple Inc.
   7  *   Copyright 1997-2006 by Easy Software Products.
   8  *
   9  *   These coded instructions, statements, and computer programs are the
  10  *   property of Apple Inc. and are protected by Federal copyright
  11  *   law.  Distribution and use rights are outlined in the file "LICENSE.txt"
  12  *   which should have been included with this file.  If this file is
  13  *   file is missing or damaged, see the license at "http://www.cups.org/".
  14  *
  15  * Contents:
  16  *
  17  *   main()      - Main entry for CGI.
  18  *   do_job_op() - Do a job operation.
  19  */
  20
  21 /*
  22  * Include necessary headers...
  23  */
  24
  25 #include "cgi-private.h"
  26
  27
  28 /*
  29  * Local functions...
  30  */
  31
  32 static void     do_job_op(http_t *http, int job_id, ipp_op_t op);
  33
  34
  35 /*
  36  * 'main()' - Main entry for CGI.
  37  */
  38
  39 int                                     /* O - Exit status */
  40 main(int  argc,                         /* I - Number of command-line arguments */
  41      char *argv[])                      /* I - Command-line arguments */
  42 {
  43   http_t        *http;                  /* Connection to the server */
  44   const char    *op;                    /* Operation name */
  45   const char    *job_id_var;            /* Job ID form variable */
  46   int           job_id;                 /* Job ID */
  47
  48
  49  /*
  50   * Get any form variables...
  51   */
  52
  53   cgiInitialize();
  54
  55  /*
  56   * Set the web interface section...
  57   */
  58
  59   cgiSetVariable("SECTION", "jobs");
  60   cgiSetVariable("REFRESH_PAGE", "");
  61
  62  /*
  63   * Connect to the HTTP server...
  64   */
  65
  66   http = httpConnectEncrypt(cupsServer(), ippPort(), cupsEncryption());
  67
  68  /*
  69   * Get the job ID, if any...
  70   */
  71
  72   if ((job_id_var = cgiGetVariable("JOB_ID")) != NULL)
  73     job_id = atoi(job_id_var);
  74   else
  75     job_id = 0;
  76
  77  /*
  78   * Do the operation...
  79   */
  80
  81   if ((op = cgiGetVariable("OP")) != NULL && job_id > 0 && cgiIsPOST())
  82   {
  83    /*
  84     * Do the operation...
  85     */
  86
  87     if (!strcmp(op, "cancel-job"))
  88       do_job_op(http, job_id, IPP_CANCEL_JOB);
  89     else if (!strcmp(op, "hold-job"))
  90       do_job_op(http, job_id, IPP_HOLD_JOB);
  91     else if (!strcmp(op, "move-job"))
  92       cgiMoveJobs(http, NULL, job_id);
  93     else if (!strcmp(op, "release-job"))
  94       do_job_op(http, job_id, IPP_RELEASE_JOB);
  95     else if (!strcmp(op, "restart-job"))
  96       do_job_op(http, job_id, IPP_RESTART_JOB);
  97     else
  98     {
  99      /*
 100       * Bad operation code...  Display an error...
 101       */
 102
 103       cgiStartHTML(cgiText(_("Jobs")));
 104       cgiCopyTemplateLang("error-op.tmpl");
 105       cgiEndHTML();
 106     }
 107   }
 108   else
 109   {
 110    /*
 111     * Show a list of jobs...
 112     */
 113
 114     cgiStartHTML(cgiText(_("Jobs")));
 115     cgiShowJobs(http, NULL);
 116     cgiEndHTML();
 117   }
 118
 119  /*
 120   * Close the HTTP server connection...
 121   */
 122
 123   httpClose(http);
 124
 125  /*
 126   * Return with no errors...
 127   */
 128
 129   return (0);
 130 }
 131
 132
 133 /*
 134  * 'do_job_op()' - Do a job operation.
 135  */
 136
 137 static void
 138 do_job_op(http_t      *http,            /* I - HTTP connection */
 139           int         job_id,           /* I - Job ID */
 140           ipp_op_t    op)               /* I - Operation to perform */
 141 {
 142   ipp_t         *request;               /* IPP request */
 143   char          uri[HTTP_MAX_URI];      /* Job URI */
 144   const char    *user;                  /* Username */
 145
 146
 147  /*
 148   * Build a job request, which requires the following
 149   * attributes:
 150   *
 151   *    attributes-charset
 152   *    attributes-natural-language
 153   *    job-uri or printer-uri (purge-jobs)
 154   *    requesting-user-name
 155   */
 156
 157   request = ippNewRequest(op);
 158
 159   snprintf(uri, sizeof(uri), "ipp://localhost/jobs/%d", job_id);
 160
 161   ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-uri",
 162                NULL, uri);
 163
 164   if ((user = getenv("REMOTE_USER")) == NULL)
 165     user = "guest";
 166
 167   ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
 168                "requesting-user-name", NULL, user);
 169
 170  /*
 171   * Do the request and get back a response...
 172   */
 173
 174   ippDelete(cupsDoRequest(http, request, "/jobs"));
 175
 176   if (cupsLastError() <= IPP_OK_CONFLICT && getenv("HTTP_REFERER"))
 177   {
 178    /*
 179     * Redirect successful updates back to the parent page...
 180     */
 181
 182     char        url[1024];              /* Encoded URL */
 183
 184
 185     strlcpy(url, "5;URL=", sizeof(url));
 186     cgiFormEncode(url + 6, getenv("HTTP_REFERER"), sizeof(url) - 6);
 187     cgiSetVariable("refresh_page", url);
 188   }
 189   else if (cupsLastError() == IPP_NOT_AUTHORIZED)
 190   {
 191     puts("Status: 401\n");
 192     exit(0);
 193   }
 194
 195   cgiStartHTML(cgiText(_("Jobs")));
 196
 197   if (cupsLastError() > IPP_OK_CONFLICT)
 198     cgiShowIPPError(_("Job operation failed"));
 199   else if (op == IPP_CANCEL_JOB)
 200     cgiCopyTemplateLang("job-cancel.tmpl");
 201   else if (op == IPP_HOLD_JOB)
 202     cgiCopyTemplateLang("job-hold.tmpl");
 203   else if (op == IPP_RELEASE_JOB)
 204     cgiCopyTemplateLang("job-release.tmpl");
 205   else if (op == IPP_RESTART_JOB)
 206     cgiCopyTemplateLang("job-restart.tmpl");
 207
 208   cgiEndHTML();
 209 }
 210
 211
 212 /*
 213  * End of "$Id$".
 214  */