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1 // {{groovy}}
2
3
4 import com.xpn.xwiki.api.Attachment
5 import com.xpn.xwiki.api.Document
6 import org.apache.commons.io.IOUtils
7 import java.util.zip.ZipOutputStream
8 import java.util.zip.ZipEntry
9
10 def page = request.getParameter("page");
11 Document pageDoc = null;
12 try {
13 pageDoc = xwiki.getDocument(page);
14 } catch(Exception ex) {}
15
16 if(page && pageDoc) {
17 System.err.println("Should download attachments from page ${pageDoc}.");
18 def uncompressedMimes = ["image/jpeg", "image/png", "application/zip"];
19 response.setContentType("application/zip");
20 String name = pageDoc.getName();
21 if(name=="WebHome") name = pageDoc.getSpace();
22 response.addHeader("Content-Disposition", "attachment; filename=${name}_attachments.zip");
23
24
25 ZipOutputStream out = null;
26 System.err.println("Attachments list's size: ${pageDoc.document.attachmentList.size()}.");
27 try {
28 out = new ZipOutputStream(response.getOutputStream());
29 for(Attachment att in pageDoc.getAttachmentList()) {
30 System.err.println("Outputting " + att.filename);
31 ZipEntry entry = new ZipEntry(att.filename);
32 if(uncompressedMimes.contains(att.mimeType))
33 out.setLevel(0);
34 else
35 out.setLevel(9);
36 entry.setTime(att.getDate().getTime());
37 entry.setSize(att.filesize);
38
39 out.putNextEntry(entry);
40 IOUtils.copy(att.contentInputStream, out, 5*1024*1024);
41 }
42 } catch (Exception ex) {
43 ex.printStackTrace();
44 } finally {
45 try {
46 if(out!=null) out.close();
47 } catch(Exception e) {}
48 }
49
50 } else {
51 println("""
52 = Download Attachments Macro =
53 Use as ((({{downloadAttachments/}}))) so see a list of attachments.
54 """);
55 }
56
57
58 // {{/groovy}}
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