public IActionResult Get(int keySizeInBits)
{
byte[] privateKeyBytes;
byte[] publicKeyBytes;
byte[] rsaPublicPKCS1Bytes;
var keygen = new SshKeyGenerator.SshKeyGenerator(keySizeInBits);
string privateKey = keygen.ToPrivateKey();
string publicKey = keygen.ToPublicKey();
string sshPubKey = keygen.ToRfcPublicKey();
privateKeyBytes = Encoding.Default.GetBytes(privateKey);
publicKeyBytes = Encoding.Default.GetBytes(publicKey);
rsaPublicPKCS1Bytes = Encoding.Default.GetBytes(sshPubKey);
MemoryFile mfPriv = new MemoryFile($"{KEYTYPE}-{keySizeInBits}bits-private-key.pem", privateKeyBytes);
MemoryFile mfPublic = new MemoryFile($"{KEYTYPE}-{keySizeInBits}bits-public-key.pem", publicKeyBytes);
MemoryFile mfRSAPublicPKCS1Bytes = new MemoryFile($"{KEYTYPE}-{keySizeInBits}bits-public-ssh-key.pem", rsaPublicPKCS1Bytes);
byte[] zipBytes = ZipMemoryFile.ZipItAllFromAndToMemory(CompressionLevel.Optimal, mfPriv, mfPublic, mfRSAPublicPKCS1Bytes);
var result = new FileContentResult(zipBytes, "application/zip")
{
FileDownloadName = $"RSA-keypair-{keySizeInBits}bits.zip"
};
return(result);
}
static void Main(string[] args)
{
var keygen = new SshKeyGenerator.SshKeyGenerator(2048);
var privateKey = keygen.ToPrivateKey();
Console.WriteLine(privateKey);
var publicSshKey = keygen.ToRfcPublicKey();
Console.WriteLine(publicSshKey);
var publicSshKeyWithComment = keygen.ToRfcPublicKey("*****@*****.**");
Console.WriteLine(publicSshKeyWithComment);
}
public static async Task <IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Function, "get", Route = null)] HttpRequest req,
ILogger log)
{
string passwordGenerated = string.Empty;
/* Uncomment below code if log analytics push is to be done*/
#region dynamic jobject creation for log analytics logs
// dynamic jObject = new JObject();
// jObject.LogFileName = ConstantsHelper.GetEnvironmentVariable(ConstantsHelper.logName);
// jObject.AutomationName = "Reusable";
// jObject.ModuleName = "GenerateSSHKey";
// dynamic logJObject = new JObject();
#endregion
log.LogInformation("GenerateSSHKey Function is called");
/* Uncomment below code if log analytics push is to be done*/
//logJObject.LogInformation = "GenerateSSHKey Function is called";
try
{
int keyBits = 2048;
//get VM Name for which key needs to be generated
string keyComment = req.Query["VMName"];
if (!String.IsNullOrEmpty(keyComment))
{
string requestBody = await new StreamReader(req.Body).ReadToEndAsync();
dynamic data = JsonConvert.DeserializeObject(requestBody);
keyComment = keyComment ?? data?.VMName;
keyComment = keyComment + "-" + DateTime.Now.ToShortDateString();
//Generate new SSH Keys
var generator = new SshKeyGenerator.SshKeyGenerator(keyBits);
if (generator != null)
{
SSHKeyPair generatedPair = new SSHKeyPair();
generatedPair.SSHPrivateKey = generator.ToPrivateKey();
generatedPair.SSHPublicKey = generator.ToRfcPublicKey(keyComment);
log.LogInformation("Keys have been generated.");
/* Uncomment below code if log analytics push is to be done*/
//logJObject.LogInformation += "\n Keys have been generated.";
return(new OkObjectResult(JsonConvert.SerializeObject(generatedPair)));
}
else
{
log.LogInformation("Exception has been occured in GenerateSSHKey. Please check Function logs under Monitor.");
/* Uncomment below code if log analytics push is to be done*/
//logJObject.LogInformation += "\n Exception has been occured in GenerateSSHKey. Please check Function logs under Monitor.";
return(new NotFoundObjectResult("error result"));
}
}
else
{
return(new OkObjectResult(JsonConvert.SerializeObject("Please provide a VM Name for which SSH Keys are to be generated.")));
}
}
catch (Exception ex)
{
log.LogInformation($"GenerateSSHKey got Exception Time: { DateTime.Now} Exception{ ex.Message}");
/* Uncomment below code if log analytics push is to be done*/
//logJObject.LogInformation += $"\n GenerateSSHKey got Exception Time: { DateTime.Now} Exception{ ex.Message}";
return(new NotFoundObjectResult(""));
}
/* Uncomment below code if log analytics push is to be done*/
#region finally block for pushing logs into log analytics workspace
// finally
// {
// using(var client = new HttpClient())
// {
// string logJson = logJObject.ToString(Newtonsoft.Json.Formatting.None);
// jObject.LogData = logJson;
// string myJson = jObject.ToString(Newtonsoft.Json.Formatting.None);
// //Invoking PushLogsToLogAnalytics API for logging in Log Analytics
// client.DefaultRequestHeaders.Add(ConstantsHelper.ocp_Apim_Subscription_Key, ConstantsHelper.GetEnvironmentVariable(ConstantsHelper.ocp_Apim_Subscription_Key));
// var response = await client.PostAsync(ConstantsHelper.GetEnvironmentVariable(ConstantsHelper.PushLogsToLogAnalyticsAPI), new StringContent(myJson, System.Text.Encoding.UTF8, "application/json"));
// if (response.StatusCode == System.Net.HttpStatusCode.OK)
// {
// log.LogInformation("Logging is completed successfully with status code : " +response.StatusCode);
// }
// else
// {
// log.LogInformation("Logging is failed with status code : " + response.StatusCode);
// }
// }
// }
#endregion
}
public async Task <bool> BatchCreateUsersFromCSV(UserFile userFile, SemesterDto semester)
{
using (var reader = new StreamReader(userFile.FilePath))
using (var csv = new CsvReader(reader, CultureInfo.InvariantCulture))
{
//csv.Configuration.PrepareHeaderForMatch = (string header, int index) => header.ToLower();
var records = csv.GetRecords <ClassListDto>();
foreach (var record in records.ToList())
{
var props = record.GetType().GetProperties();
// var sb = new StringBuilder();
foreach (var p in props)
{
//System.Console.WriteLine(p.Name + ": " + p.GetValue(record, null));
// sb.AppendLine(p.Name + ": " + p.GetValue(obj, null));
}
// System.Console.WriteLine("!!!" + record.MAJOR);
// return sb.ToString();
// Check if it is a new user
if (!string.IsNullOrEmpty(record.STUDENT_ID) &&
!await this.userManager.Users.AnyAsync(x => x.UserName == "siu" + record.STUDENT_ID))
{
// System.Console.WriteLine("siu" + record.STUDENT_ID + " doesn't exist.");
if (Int32.TryParse(record.STUDENT_ID, out int siuDawgTag))
{
var user = new AppUser
{
UserName = "******" + record.STUDENT_ID.ToLower(),
KnownAs = record.STUDENT_NAME,
EmailSIU = record.INTERNET_ADDRESS,
PrimaryMajor = record.MAJOR,
PrimaryMajorProgram = record.PROGRAM,
DawgTag = siuDawgTag,
CLASS_LEVEL_BOAP = record.CLASS_LEVEL_BOAP,
EnrollmentStartYear = semester.Year,
EnrollmentStartTerm = semester.Term,
AccessPermitted = true
};
// Assign public ssh key
var keygen = new SshKeyGenerator.SshKeyGenerator(2048);
var privateKey = keygen.ToPrivateKey();
var publicSshKey = keygen.ToRfcPublicKey();
user.PrivateKeySSH1 = privateKey;
user.PublicKeySSH1 = publicSshKey;
user.PrivateKeySSH2 = privateKey;
user.PublicKeySSH2 = publicSshKey;
// Create web user personal url
System.Console.WriteLine(sshServer.Pc00host);
System.Console.WriteLine(sshServer.Pc00port);
System.Console.WriteLine(sshServer.Pc00user);
System.Console.WriteLine(sshServer.Pc00passwd);
var client = this.setupConnection(sshServer.Pc00host, sshServer.Pc00port, sshServer.Pc00user, sshServer.Pc00passwd);
string command = $"sudo -H -u {user.UserName} bash -c 'mkdir -p ~/.ssh; echo \"{user.PublicKeySSH1}\" > ~/.ssh/authorized_keys; chmod 644 ~/.ssh/authorized_keys; echo \"{user.PublicKeySSH1}\" > ~/.ssh/id_rsa.pub; chmod 644 ~/.ssh/id_rsa.pub; echo \"{user.PrivateKeySSH1}\" > ~/.ssh/id_rsa; chmod 600 ~/.ssh/id_rsa'";
var retCode = await this.RunClientCommandAsync(client, command);
client.Disconnect();
if (retCode != 0)
{
return(false);
}
client = this.setupConnection(sshServer.Pc01host, sshServer.Pc01port, sshServer.Pc01user, sshServer.Pc01passwd);
command = $"sudo -H -u {user.UserName} bash -c 'mkdir -p ~/.ssh; echo \"{user.PublicKeySSH1}\" > ~/.ssh/authorized_keys; chmod 644 ~/.ssh/authorized_keys; echo \"{user.PublicKeySSH1}\" > ~/.ssh/id_rsa.pub; chmod 644 ~/.ssh/id_rsa.pub; echo \"{user.PrivateKeySSH1}\" > ~/.ssh/id_rsa; chmod 600 ~/.ssh/id_rsa'";
retCode = await this.RunClientCommandAsync(client, command);
client.Disconnect();
if (retCode != 0)
{
return(false);
}
// Transfer keys to server for their Personal URL User
// if( ! await this.accountService.IssueUserWebKeysAsync(user.PersonalURL, publicSshKey, privateKey)) {
// return false;
// }
// End assign public ssh key
var tempPassword = "******";
var result = await userManager.CreateAsync(user, tempPassword);
if (!result.Succeeded)
{
return(false);
}
var roleResult = await userManager.AddToRoleAsync(user, "Member");
if (!roleResult.Succeeded)
{
return(false);
}
System.Console.WriteLine("siu" + record.STUDENT_ID + " added.");
}
}
}
return(true);
}
}
public async Task <ActionResult <MemberSshKeysDto> > GenerateNewSshKeys()
{
// Get username From token (can't trust client)
//var username = User.FindFirst(ClaimTypes.NameIdentifier)?.Value;
// var username = User.GetUsername();
var username = User.GetUsername();
// var username = memberUpdateDto.Username;
var user = await this.unitOfWork.UserRepository.GetUserByUsernameAsync(username);
// Use Automapper to make from memberUpdateDto to AppUser
// this.mapper.Map(memberUpdateDto, user);
user.PublicKeySSH1 = null;
user.PrivateKeySSH1 = null;
var keygen = new SshKeyGenerator.SshKeyGenerator(2048);
var privateKey = keygen.ToPrivateKey();
// Console.WriteLine(privateKey);
var publicSshKey = keygen.ToRfcPublicKey();
// Console.WriteLine(publicSshKey);
var comment = user.UserName + "@www2.cs.siu.edu";
var publicSshKeyWithComment = keygen.ToRfcPublicKey(comment);
// var publicSshKeyWithComment = keygen.ToRfcPublicKey("*****@*****.**");
// Console.WriteLine(publicSshKeyWithComment);
user.PrivateKeySSH1 = privateKey;
user.PublicKeySSH1 = publicSshKey;
// user.PublicKeySSH1 = publicSshKeyWithComment;
user.PrivateKeySSH2 = privateKey;
user.PublicKeySSH2 = publicSshKey;
this.unitOfWork.UserRepository.Update(user);
// Transfer keys to server
// if( ! await this.accountService.IssueUserKeysAsync(user.UserName, publicSshKeyWithComment, privateKey)) {
if (!await this.accountService.IssueUserKeysAsync(user.UserName, publicSshKey, privateKey))
{
// System.Console.WriteLine($"{loginDto.Username} {loginDto.Password}");
return(BadRequest("Unable to assign ssh keys"));
}
// Transfer keys to server for their Personal User
if (!await this.accountService.IssueUserWebKeysAsync(user.PersonalURL, publicSshKey, privateKey))
{
// System.Console.WriteLine($"{loginDto.Username} {loginDto.Password}");
return(BadRequest("Unable to assign ssh keys"));
}
if (await this.unitOfWork.Complete())
{
// return NoContent();
var user2 = await this.unitOfWork.UserRepository.GetMemberSshKeysAsync(user.Id);
return(Ok(user2));
}
return(BadRequest("Failed to update user."));
}
