diff options
Diffstat (limited to 'src/main/java/de/thedevstack/conversationsplus/xmpp/filetransfer/http/upload')
5 files changed, 161 insertions, 0 deletions
diff --git a/src/main/java/de/thedevstack/conversationsplus/xmpp/filetransfer/http/upload/HttpUpload.java b/src/main/java/de/thedevstack/conversationsplus/xmpp/filetransfer/http/upload/HttpUpload.java new file mode 100644 index 00000000..3bcbd219 --- /dev/null +++ b/src/main/java/de/thedevstack/conversationsplus/xmpp/filetransfer/http/upload/HttpUpload.java @@ -0,0 +1,9 @@ +package de.thedevstack.conversationsplus.xmpp.filetransfer.http.upload; + +/** + * + */ +public interface HttpUpload { + String NAMESPACE = "urn:xmpp:http:upload"; + String DEFAULT_MIME_TYPE = "application/octet-stream"; +} diff --git a/src/main/java/de/thedevstack/conversationsplus/xmpp/filetransfer/http/upload/HttpUploadRequestSlotPacketGenerator.java b/src/main/java/de/thedevstack/conversationsplus/xmpp/filetransfer/http/upload/HttpUploadRequestSlotPacketGenerator.java new file mode 100644 index 00000000..915cf9a7 --- /dev/null +++ b/src/main/java/de/thedevstack/conversationsplus/xmpp/filetransfer/http/upload/HttpUploadRequestSlotPacketGenerator.java @@ -0,0 +1,46 @@ +package de.thedevstack.conversationsplus.xmpp.filetransfer.http.upload; + +import eu.siacs.conversations.xmpp.jid.Jid; +import eu.siacs.conversations.xmpp.stanzas.IqPacket; + +/** + * Generates the IQ Packets for requesting a http upload slot + * as defined in XEP-0363. + * @see <a href="http://xmpp.org/extensions/xep-0363.html">http://xmpp.org/extensions/xep-0363.html</a> + */ +public final class HttpUploadRequestSlotPacketGenerator { + /** + * Generates the IqPacket to request a http upload slot. + * The attributes from and id are not set in here - this is added while sending the packet. + * <pre> + * <iq from='romeo@montague.tld/garden' + * id='step_03' + * to='upload.montague.tld' + * type='get'> + * <request xmlns='urn:xmpp:http:upload'> + * <filename>my_juliet.png</filename> + * <size>23456</size> + * <content-type>image/jpeg</content-type> + * </request> + * </iq> + * </pre> + * @param host the jid of the host to request a slot from + * @param filename the filename of the file which will be transferred + * @param filesize the filesize of the file which will be transferred + * @param mime the mime type of the file which will be transferred - <code>optional</code> and therefore nullable + * @return the IqPacket + */ + public static IqPacket generate(Jid host, String filename, long filesize, String mime) { + SlotRequestPacket packet = new SlotRequestPacket(filename, filesize); + packet.setTo(host); + packet.setMime((mime == null) ? HttpUpload.DEFAULT_MIME_TYPE : mime); + return packet; + } + + /** + * Utility class - avoid instantiation + */ + private HttpUploadRequestSlotPacketGenerator() { + // Helper class - avoid instantiation + } +} diff --git a/src/main/java/de/thedevstack/conversationsplus/xmpp/filetransfer/http/upload/HttpUploadSlot.java b/src/main/java/de/thedevstack/conversationsplus/xmpp/filetransfer/http/upload/HttpUploadSlot.java new file mode 100644 index 00000000..1e320afe --- /dev/null +++ b/src/main/java/de/thedevstack/conversationsplus/xmpp/filetransfer/http/upload/HttpUploadSlot.java @@ -0,0 +1,22 @@ +package de.thedevstack.conversationsplus.xmpp.filetransfer.http.upload; + +/** + * + */ +public class HttpUploadSlot { + private final String getUrl; + private final String putUrl; + + public HttpUploadSlot(String getUrl, String putUrl) { + this.getUrl = getUrl; + this.putUrl = putUrl; + } + + public String getGetUrl() { + return this.getUrl; + } + + public String getPutUrl() { + return this.putUrl; + } +} diff --git a/src/main/java/de/thedevstack/conversationsplus/xmpp/filetransfer/http/upload/SlotPacketParser.java b/src/main/java/de/thedevstack/conversationsplus/xmpp/filetransfer/http/upload/SlotPacketParser.java new file mode 100644 index 00000000..40e7db96 --- /dev/null +++ b/src/main/java/de/thedevstack/conversationsplus/xmpp/filetransfer/http/upload/SlotPacketParser.java @@ -0,0 +1,31 @@ +package de.thedevstack.conversationsplus.xmpp.filetransfer.http.upload; + +import de.thedevstack.conversationsplus.xmpp.IqPacketParser; +import de.thedevstack.conversationsplus.xmpp.exceptions.UnexpectedIqPacketTypeException; +import de.thedevstack.conversationsplus.xmpp.exceptions.XmppException; +import de.thedevstack.conversationsplus.xmpp.utils.ErrorIqPacketExceptionHelper; + +import eu.siacs.conversations.xml.Element; +import eu.siacs.conversations.xmpp.stanzas.IqPacket; + +/** + * + */ +public final class SlotPacketParser extends IqPacketParser { + public static HttpUploadSlot parseGetAndPutUrl(IqPacket packet) throws XmppException { + HttpUploadSlot httpUploadSlot = null; + if (packet.getType() == IqPacket.TYPE.RESULT) { + Element slot = findRequiredChild(packet, "slot", HttpUpload.NAMESPACE); + + String getUrl = findRequiredChildContent(slot, "get"); + String putUrl = findRequiredChildContent(slot, "put"); + + httpUploadSlot = new HttpUploadSlot(getUrl, putUrl); + } else if (packet.getType() == IqPacket.TYPE.ERROR) { + ErrorIqPacketExceptionHelper.throwIqErrorException(packet); + } else { + throw new UnexpectedIqPacketTypeException(packet, packet.getType(), IqPacket.TYPE.RESULT, IqPacket.TYPE.ERROR); + } + return httpUploadSlot; + } +} diff --git a/src/main/java/de/thedevstack/conversationsplus/xmpp/filetransfer/http/upload/SlotRequestPacket.java b/src/main/java/de/thedevstack/conversationsplus/xmpp/filetransfer/http/upload/SlotRequestPacket.java new file mode 100644 index 00000000..30c5db79 --- /dev/null +++ b/src/main/java/de/thedevstack/conversationsplus/xmpp/filetransfer/http/upload/SlotRequestPacket.java @@ -0,0 +1,53 @@ +package de.thedevstack.conversationsplus.xmpp.filetransfer.http.upload; + +import eu.siacs.conversations.xml.Element; +import eu.siacs.conversations.xmpp.stanzas.IqPacket; + +/** + * + */ +public class SlotRequestPacket extends IqPacket { + public static final String ELEMENT_NAME = "request"; + public static final String FILENAME_ELEMENT_NAME = "filename"; + public static final String FILESIZE_ELEMENT_NAME = "size"; + public static final String MIME_ELEMENT_NAME = "content-type"; + private Element requestElement; + private String filename; + private long filesize; + private String mime; + + private SlotRequestPacket() { + super(TYPE.GET); + this.requestElement = super.addChild(SlotRequestPacket.ELEMENT_NAME, HttpUpload.NAMESPACE); + } + + public SlotRequestPacket(String filename, long filesize) { + this(); + this.setFilename(filename); + this.setFilesize(filesize); + } + + public void setFilename(String filename) { + if (null == filename || filename.isEmpty()) { + throw new IllegalArgumentException("filename must not be null or empty."); + } + this.filename = filename; + this.requestElement.addChild(FILENAME_ELEMENT_NAME).setContent(filename); + } + + public void setFilesize(long filesize) { + if (0 >= filesize) { + throw new IllegalArgumentException("filesize must not be null or empty."); + } + this.filesize = filesize; + this.requestElement.addChild(FILESIZE_ELEMENT_NAME).setContent(String.valueOf(filesize)); + } + + public void setMime(String mime) { + if (null == mime || mime.isEmpty()) { + throw new IllegalArgumentException("mime type must not be null or empty."); + } + this.mime = mime; + this.requestElement.addChild(MIME_ELEMENT_NAME).setContent(mime); + } +} |