public void DownloadAsync(CompletedEventHandler completedEvent)
{
Thread thread = new Thread(new ThreadStart(() =>
{
VVK_WPRC.CurlUtil cutil = new VVK_WPRC.CurlUtil();
string output = cutil.DownloadWithCert(CONF_URL, false, "", CONF_CERT);
Debug.WriteLine(output);
if (output == null || output.Length < 1)
{
completedEvent(false);
return;
}
DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(ConfModel));
using (MemoryStream memStream = new MemoryStream(System.Text.Encoding.UTF8.GetBytes(output)))
{
try
{
_confModel = serializer.ReadObject(memStream) as ConfModel;
}
catch (Exception e)
{
if(completedEvent != null)
completedEvent(false);
return;
}
}
if (completedEvent != null)
completedEvent(true);
}));
thread.Start();
}
public void DownloadAsync(CompletedEventHandler completedEvent)
{
Thread thread = new Thread(new ThreadStart(() =>
{
VVK_WPRC.CurlUtil cutil = new VVK_WPRC.CurlUtil();
string output = cutil.DownloadWithCert(CONF_URL, false, "", CONF_CERT);
Debug.WriteLine(output);
if (output == null || output.Length < 1)
{
completedEvent(false);
return;
}
DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(ConfModel));
using (MemoryStream memStream = new MemoryStream(System.Text.Encoding.UTF8.GetBytes(output)))
{
try
{
_confModel = serializer.ReadObject(memStream) as ConfModel;
}
catch (Exception e)
{
if (completedEvent != null)
{
completedEvent(false);
}
return;
}
}
if (completedEvent != null)
{
completedEvent(true);
}
}));
thread.Start();
}
public void VerifyAsync(string verificationUri, string voteContainerId, CompletedEventHandler completedEvent)
{
ErrorMessage = null;
Thread thread = new Thread(new ThreadStart(() =>
{
if (completedEvent == null)
{
throw new ArgumentNullException();
}
VVK_WPRC.CurlUtil cutil = new VVK_WPRC.CurlUtil();
string post_data = "verify=" + voteContainerId;
string result = cutil.DownloadWithCert(verificationUri, true, post_data, VERIFICATION_CERT);
if (result == null || result.Equals(""))
{
completedEvent(VerificationStatus.Failure);
return;
}
string[] components = result.Split(new string[] { "\n" }, 4, StringSplitOptions.None);
// In case of failure 'components' contains following items:
// 0: version number
// 1: status code 1
// 2: error message
// 3: new-line
// In case of success 'components' should contain following items:
// 0: version number
// 1: status code 0
// 2: elections separated by TAB
// 3: encrypted votes separated by new-line following list of candidates
if (components.Length < 4)
{
completedEvent(VerificationStatus.Failure);
return;
}
VersionNumber = Convert.ToInt32(components[0]);
StatusCode = Convert.ToInt32(components[1]);
ErrorMessage = components[2];
if (StatusCode != 0)
{
completedEvent(VerificationStatus.Failure);
return;
}
string[] elections = components[2].Split('\t');
if (elections.Length < 1)
{
completedEvent(VerificationStatus.Failure);
return;
}
// separate encrypted votes from candidates, 'components' item count should be at least 2
components = components[3].Split(new string[] { "\n\n" }, StringSplitOptions.None);
if (components.Length < 2)
{
completedEvent(VerificationStatus.Failure);
return;
}
string encryptedVotesString = components[0];
string[] encryptedVotes = encryptedVotesString.Split('\n');
if (encryptedVotes.Length < 1)
{
completedEvent(VerificationStatus.Failure);
return;
}
_encryptedVotes = new List <EncryptedVote>();
foreach (string encryptedVoteStr in encryptedVotes)
{
string[] encVoteComponents = encryptedVoteStr.Split('\t');
EncryptedVote encVote = new EncryptedVote();
encVote.ElectionName = encVoteComponents[0];
encVote.EncryptedHex = encVoteComponents[1];
_encryptedVotes.Add(encVote);
}
string[] candidatesArray = components[1].Split('\n');
if (candidatesArray.Length < 1)
{
completedEvent(VerificationStatus.Failure);
return;
}
_candidates = new List <Candidate>();
foreach (string candidateStr in candidatesArray)
{
string[] candidateComponents = candidateStr.Split('\t');
Candidate candidate = new Candidate();
candidate.ElectionName = candidateComponents[0];
candidate.Code = candidateComponents[3];
candidate.Name = candidateComponents[4];
candidate.Party = candidateComponents[5];
_candidates.Add(candidate);
}
completedEvent(0);
}));
thread.Start();
}
public void VerifyAsync(string verificationUri, string voteContainerId, CompletedEventHandler completedEvent)
{
ErrorMessage = null;
Thread thread = new Thread(new ThreadStart(() =>
{
if (completedEvent == null)
throw new ArgumentNullException();
VVK_WPRC.CurlUtil cutil = new VVK_WPRC.CurlUtil();
string post_data = "verify=" + voteContainerId;
string result = cutil.DownloadWithCert(verificationUri, true, post_data, VERIFICATION_CERT);
if (result == null || result.Equals(""))
{
completedEvent(VerificationStatus.Failure);
return;
}
string[] components = result.Split(new string[]{"\n"}, 4, StringSplitOptions.None);
// In case of failure 'components' contains following items:
// 0: version number
// 1: status code 1
// 2: error message
// 3: new-line
// In case of success 'components' should contain following items:
// 0: version number
// 1: status code 0
// 2: elections separated by TAB
// 3: encrypted votes separated by new-line following list of candidates
if (components.Length < 4)
{
completedEvent(VerificationStatus.Failure);
return;
}
VersionNumber = Convert.ToInt32(components[0]);
StatusCode = Convert.ToInt32(components[1]);
ErrorMessage = components[2];
if (StatusCode != 0)
{
completedEvent(VerificationStatus.Failure);
return;
}
string[] elections = components[2].Split('\t');
if (elections.Length < 1)
{
completedEvent(VerificationStatus.Failure);
return;
}
// separate encrypted votes from candidates, 'components' item count should be at least 2
components = components[3].Split(new string[]{"\n\n"}, StringSplitOptions.None);
if (components.Length < 2)
{
completedEvent(VerificationStatus.Failure);
return;
}
string encryptedVotesString = components[0];
string[] encryptedVotes = encryptedVotesString.Split('\n');
if (encryptedVotes.Length < 1)
{
completedEvent(VerificationStatus.Failure);
return;
}
_encryptedVotes = new List<EncryptedVote>();
foreach (string encryptedVoteStr in encryptedVotes)
{
string[] encVoteComponents = encryptedVoteStr.Split('\t');
EncryptedVote encVote = new EncryptedVote();
encVote.ElectionName = encVoteComponents[0];
encVote.EncryptedHex = encVoteComponents[1];
_encryptedVotes.Add(encVote);
}
string[] candidatesArray = components[1].Split('\n');
if (candidatesArray.Length < 1)
{
completedEvent(VerificationStatus.Failure);
return;
}
_candidates = new List<Candidate>();
foreach (string candidateStr in candidatesArray)
{
string[] candidateComponents = candidateStr.Split('\t');
Candidate candidate = new Candidate();
candidate.ElectionName = candidateComponents[0];
candidate.Code = candidateComponents[3];
candidate.Name = candidateComponents[4];
candidate.Party = candidateComponents[5];
_candidates.Add(candidate);
}
completedEvent(0);
}));
thread.Start();
}
