103 lines
2.4 KiB
Java
103 lines
2.4 KiB
Java
package eu.siacs.conversations.xmpp.pep;
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import android.util.Base64;
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import eu.siacs.conversations.xml.Element;
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import eu.siacs.conversations.xmpp.jid.Jid;
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public class Avatar {
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public enum Origin { PEP, VCARD };
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public String type;
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public String sha1sum;
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public String image;
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public int height;
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public int width;
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public long size;
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public Jid owner;
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public Origin origin = Origin.PEP; //default to maintain compat
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public byte[] getImageAsBytes() {
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return Base64.decode(image, Base64.DEFAULT);
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}
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public String getFilename() {
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return sha1sum;
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}
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public static Avatar parseMetadata(Element items) {
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Element item = items.findChild("item");
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if (item == null) {
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return null;
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}
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Element metadata = item.findChild("metadata");
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if (metadata == null) {
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return null;
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}
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String primaryId = item.getAttribute("id");
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if (primaryId == null) {
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return null;
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}
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for (Element child : metadata.getChildren()) {
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if (child.getName().equals("info")
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&& primaryId.equals(child.getAttribute("id"))) {
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Avatar avatar = new Avatar();
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String height = child.getAttribute("height");
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String width = child.getAttribute("width");
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String size = child.getAttribute("bytes");
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try {
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if (height != null) {
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avatar.height = Integer.parseInt(height);
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}
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if (width != null) {
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avatar.width = Integer.parseInt(width);
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}
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if (size != null) {
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avatar.size = Long.parseLong(size);
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}
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} catch (NumberFormatException e) {
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return null;
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}
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avatar.type = child.getAttribute("type");
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String hash = child.getAttribute("id");
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if (!isValidSHA1(hash)) {
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return null;
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}
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avatar.sha1sum = hash;
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avatar.origin = Origin.PEP;
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return avatar;
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}
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}
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return null;
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}
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@Override
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public boolean equals(Object object) {
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if (object != null && object instanceof Avatar) {
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Avatar other = (Avatar) object;
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return other.getFilename().equals(this.getFilename());
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} else {
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return false;
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}
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}
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public static Avatar parsePresence(Element x) {
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String hash = x == null ? null : x.findChildContent("photo");
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if (hash == null) {
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return null;
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}
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if (!isValidSHA1(hash)) {
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return null;
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}
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Avatar avatar = new Avatar();
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avatar.sha1sum = hash;
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avatar.origin = Origin.VCARD;
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return avatar;
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}
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private static boolean isValidSHA1(String s) {
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return s != null && s.matches("[a-fA-F0-9]{40}");
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}
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}
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