Revision 945
Added by Jing Tao over 22 years ago
| src/edu/ucsb/nceas/metacat/DBQuery.java | ||
|---|---|---|
| 931 | 931 |
}//isDataPackageId() |
| 932 | 932 |
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| 933 | 933 |
/** |
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* Check if the user has the permission to export data package |
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| 935 |
* @param conn, the connection |
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| 936 |
* @param docId, the id need to be checked |
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| 937 |
* @param user, the name of user |
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| 938 |
* @param groups, the user's group |
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| 939 |
*/ |
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private boolean hasPermissionToExportPackage(Connection conn, String docId, |
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String user, String[] groups) |
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throws Exception |
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{
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DocumentImpl doc=new DocumentImpl(conn,docId); |
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return doc.hasReadPermission(conn, user, groups,docId); |
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} |
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|
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/** |
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| 934 | 949 |
*Get the current Rev for a docid in xml_documents table |
| 935 | 950 |
* @param docId, the id need to get version numb |
| 936 | 951 |
* If the return value is -5, means no value in rev field for this docid |
| ... | ... | |
| 1201 | 1216 |
|
| 1202 | 1217 |
}//addHtmlSummaryToZipOutputStream |
| 1203 | 1218 |
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| 1219 |
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| 1204 | 1221 |
/** |
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* put a data packadge into a zip output stream |
| 1206 | 1223 |
* @param docId, which the user want to put into zip output stream |
| ... | ... | |
| 1218 | 1235 |
DocumentImpl docImpls=null; |
| 1219 | 1236 |
Connection dbConn = null; |
| 1220 | 1237 |
Vector docIdList=new Vector(); |
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Vector documentImplList= new Vector(); |
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Vector documentImplList=new Vector(); |
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Vector htmlDocumentImplList=new Vector(); |
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| 1222 | 1240 |
String packageId=null; |
| 1223 | 1241 |
String rootName="package";//the package zip entry name |
| 1224 | 1242 |
|
| ... | ... | |
| 1240 | 1258 |
//check if the reqused docId is a data package id |
| 1241 | 1259 |
if (!isDataPackageId(docId))//if it is not, throw a exception |
| 1242 | 1260 |
{
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Exception e = new Exception("The request the doc id " +docId+
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Exception e = new Exception("The request the doc id " +docIdString+
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| 1244 | 1262 |
" is not a data package id"); |
| 1245 | 1263 |
dbConn.close(); |
| 1246 | 1264 |
throw e; |
| 1247 | 1265 |
} |
| 1266 |
else if(!hasPermissionToExportPackage(dbConn, docId, user, groups)) |
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{
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Exception e = new Exception("User " + user + " does not have permission"
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+" to export the data package " + docIdString); |
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dbConn.close(); |
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throw e; |
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} |
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| 1248 | 1273 |
else //it is a packadge id |
| 1249 | 1274 |
{
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| 1250 | 1275 |
//store the package id |
| ... | ... | |
| 1284 | 1309 |
//create a docmentImpls object (represent xml doc) base on the docId |
| 1285 | 1310 |
docImpls=(DocumentImpl)documentImplList.elementAt(i); |
| 1286 | 1311 |
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| 1287 |
|
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if ((docImpls.getDoctype()).compareTo("BIN")!=0)
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//if the docImpls is metadata |
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if ((docImpls.getDoctype()).compareTo("BIN")!=0)
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{
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//if the docImpls is metadata |
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//add metadata into zip output stream |
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addDocToZipOutputStream(docImpls, zOut, rootName); |
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//eml-access file wouldn't put into the zip output stream |
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//if the docImpls is not a eml-access file |
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if ((util.getOption("accessdoctype")).
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lastIndexOf(docImpls.getDoctype())==-1) |
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{
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|
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//add metadata into zip output stream |
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addDocToZipOutputStream(docImpls, zOut, rootName); |
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//add the documentImpl into the vetor which will be used in html |
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htmlDocumentImplList.add(docImpls); |
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} |
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} |
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else //if the docImpls is a data file |
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{
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//add data file into zip output stream too |
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//eml-access file wouldn't put into the zip output stream |
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else |
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{
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//it is data file |
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addDataFileToZipOutputStream(docImpls, zOut, rootName); |
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htmlDocumentImplList.add(docImpls); |
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| 1298 | 1334 |
} |
| 1299 | 1335 |
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| 1300 | 1336 |
}//for |
| 1301 | 1337 |
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| 1302 | 1338 |
//add html summary file |
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addHtmlSummaryToZipOutputStream(documentImplList, zOut, rootName);
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addHtmlSummaryToZipOutputStream(htmlDocumentImplList, zOut, rootName);
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| 1304 | 1340 |
zOut.finish(); //terminate the zip file |
| 1305 | 1341 |
dbConn.close(); |
| 1306 | 1342 |
return zOut; |
Also available in: Unified diff
A new method named hasPermissionToExportPackage was added. So when MetaCat handle export action, it will check if user has permission to read the data package. If it has, MetaCat will export a zip output stream to it. Otherwise, MetaCat will be through a exception.