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/* Copyright 2012, Sebastian Reichel <sre@ring0.de>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
public class CSVMemberFile {
private UserInfo[] members;
public Gee.List<int> missing_unblocked_members() {
var result = new Gee.ArrayList<int>();
var dbusers = db.get_member_ids();
foreach(var u in dbusers) {
bool found=false;
foreach(var m in members) {
if(u == m.id) {
found=true;
break;
}
}
if(!found) {
if(!db.user_is_disabled(u))
result.add(u);
}
}
return result;
}
private string[] csv_split(string line) {
return /;(?=(?:[^\"]*\"[^\"]*\")*(?![^\"]*\"))/.split(line);
}
private string csv_value(string value) {
if(value[0] == '"' && value[value.length-1] == '"')
return value.substring(1,value.length-2);
else
return value;
}
public CSVMemberFile(string data) {
foreach(var line in data.split("\n")) {
var linedata = csv_split(line);
if(linedata.length >= 9) {
var m = UserInfo();
m.id = int.parse(csv_value(linedata[0]));
m.email = csv_value(linedata[1]);
m.firstname = csv_value(linedata[2]);
m.lastname = csv_value(linedata[3]);
m.street = csv_value(linedata[4]);
m.postcode = int.parse(csv_value(linedata[5]));
m.city = csv_value(linedata[6]);
m.gender = csv_value(linedata[7]) == "m" ? "masculinum" : csv_value(linedata[7]) == "w" ? "femininum" : "unknown";
m.pgp = csv_value(linedata[8]);
if(csv_value(linedata[0]) != "EXTERNEMITGLIEDSNUMMER")
members += m;
}
}
}
public UserInfo[] get_members() {
return members;
}
}
public class PGPKeyArchive {
private string keyring;
private GPG.Context gpg;
public PGPKeyArchive(KeyFile config) {
/* check version (important!) */
GPG.check_version();
/* initialize default context */
GPG.Context.Context(out gpg);
try {
keyring = config.get_string("PGP", "keyring");
/* remove quotes */
if(keyring.has_prefix("\"") && keyring.has_suffix("\""))
keyring = keyring.substring(1,keyring.length-2);
} catch(KeyFileError e) {
write_to_log("KeyFileError: %s", e.message);
return;
}
/* TODO: check existence of keyring */
/* set home directory */
var info = gpg.get_engine_info();
gpg.set_engine_info(info.protocol, info.file_name, keyring);
/* enable ascii armor */
gpg.set_armor(true);
}
public string[] import_archive(uint8[] data) {
string[] result = {};
unowned Archive.Entry entry;
var archive = new Archive.Read();
/* support all formats & compression types */
archive.support_compression_all();
archive.support_format_all();
/* load test archive for now */
if(archive.open_memory(data, data.length) != Archive.Result.OK)
return result;
while(archive.next_header(out entry) == Archive.Result.OK) {
var name = entry.pathname();
var size = entry.size();
var content = new uint8[size];
/* skip entries, which contain a slash */
if(name.contains("/"))
continue;
/* skip files, which are big (probably not a minimal pgp key) */
if(size > 50000)
continue;
if(archive.read_data((void*) content, (ssize_t) size) == size) {
if(!((string) content).has_prefix("-----BEGIN PGP PUBLIC KEY BLOCK-----"))
continue;
/* put byte data into GPG.Data object */
GPG.Data gpgdata;
GPG.Data.create_from_memory(out gpgdata, content, false);
/* import keys */
gpg.op_import(gpgdata);
/* get result */
unowned GPG.ImportResult importresult = gpg.op_import_result();
/* add imported fingerprints to result */
for(unowned GPG.ImportStatus st = importresult.imports; st != null; st = st.next) {
if(!(st.fpr in result) && (st.status & GPG.ImportStatusFlags.NEW) != 0)
result += st.fpr;
}
}
}
return result;
}
public string[] list_keys() {
string[] result = {};
GPG.Key key;
gpg.op_keylist_start();
while(gpg.op_keylist_next(out key) == GPGError.ErrorCode.NO_ERROR) {
result += key.subkeys[0].fpr;
}
gpg.op_keylist_end();
return result;
}
public string get_key(string fingerprint) {
GPG.Data keydata;
GPG.Data.create(out keydata);
if(gpg.op_export(fingerprint, 0, keydata) == GPGError.ErrorCode.NO_ERROR) {
long size = keydata.seek(0, Posix.FILE.SEEK_END);
keydata.seek(0, Posix.FILE.SEEK_SET);
stdout.printf("size: %ld\n", size);
uint8[] data = new uint8[size];
keydata.read(data);
return (string) data;
} else {
stdout.printf("error!\n");
return "";
}
}
}
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