public async Task PutRecordDetails(long dnsRecordId, PartialRecord partialRecord)
{
string query = $"https://eu.api.ovh.com/1.0/domain/zone/{DomainName}/record/{dnsRecordId}";
JsonSerializerSettings jsonSerializerSettings = new JsonSerializerSettings
{
ContractResolver = new DefaultContractResolver {
NamingStrategy = new CamelCaseNamingStrategy()
}
};
string jsonRecord = JsonConvert.SerializeObject(partialRecord, jsonSerializerSettings);
StringContent stringContent = new StringContent(jsonRecord, Encoding.UTF8, "application/json");
string timestamp = await GetOvhTimestamp();
using ManagedHttpClient managedHttpClient = new ManagedHttpClient(ApplicationKey, ApplicationSecret, ConsumerKey, timestamp);
managedHttpClient.BuildSignature("PUT", query, await stringContent.ReadAsStringAsync(), timestamp);
await managedHttpClient.PutAsync(query, stringContent);
}
static async Task Main(string[] args)
{
IConfigurationBuilder builder = new ConfigurationBuilder()
.SetBasePath(Directory.GetCurrentDirectory())
.AddJsonFile("config.json");
IConfigurationRoot configuration = builder.Build();
Config config = new Config();
configuration.Bind(config);
Console.WriteLine("Loaded settings :");
Console.WriteLine($" >> Application Key: {config.OvhApplicationKey}");
Console.WriteLine($" >> Application Secret: {config.OvhApplicationSecret}");
Console.WriteLine($" >> Consumer Key: {config.OvhConsumerKey}");
Console.WriteLine($" >> Domain Name: {config.OvhDomainName}");
if (args.Length > 0 && args[0].Contains("get-ck"))
{
Client client = new Client("ovh-eu", config.OvhApplicationKey, config.OvhApplicationSecret);
CredentialRequest credentialRequest = new CredentialRequest(
new List <AccessRight>
{
new AccessRight("GET", "/*"),
new AccessRight("PUT", "/*"),
new AccessRight("POST", "/*"),
new AccessRight("DELETE", "/*"),
},
"https://example.com/" // Change this URL if you don't want to see an unreachable webpage after you validated your consumer key. An unreachable webpage does not mean that the validation has failed.
);
CredentialRequestResult credentialRequestResult = await client.RequestConsumerKeyAsync(credentialRequest);
Console.WriteLine($"Please visit {credentialRequestResult.ValidationUrl} to authenticate and press enter to continue");
Console.ReadLine();
client.ConsumerKey = credentialRequestResult.ConsumerKey;
Console.WriteLine($"Your \"consumerKey\" is {credentialRequestResult.ConsumerKey}");
Console.ReadLine();
}
else
{
OvhApiWrapper ovhApiWrapper = new OvhApiWrapper(config.OvhApplicationKey, config.OvhApplicationSecret, config.OvhConsumerKey, config.OvhDomainName);
while (true)
{
try
{
// Step 1 : getting public IP
string publicIp;
using (HttpClient httpClient = new HttpClient())
{
publicIp = await httpClient.GetStringAsync("https://api.ipify.org");
}
Console.WriteLine($"The current server public IP is: {publicIp}");
// Step 2 : getting the list of all A domains registered fot the domain
long[] records = await ovhApiWrapper.GetRecordsList("A");
// Step 3 : looping between each record to check if the target IP corresponds to the public IP obtained in Step 1
List <UpdatedRecord> updatedRecords = new List <UpdatedRecord>();
foreach (long recordId in records)
{
PartialRecord partialRecord = await ovhApiWrapper.GetRecordDetails(recordId);
Console.WriteLine($"The registered public IP in OVH DNS is: {partialRecord.Target}");
if (partialRecord.Target == publicIp)
{
Console.WriteLine("The current public IP and OVH target are identical! Rechecking later");
}
else
{
Console.WriteLine("The current public IP and OVH target are different! Updating the OVH target now");
string previousTarget = partialRecord.Target;
partialRecord.Target = publicIp;
await ovhApiWrapper.PutRecordDetails(recordId, partialRecord);
await ovhApiWrapper.PostRefreshZone();
Console.WriteLine("OVH target updated successfully!");
updatedRecords.Add(new UpdatedRecord {
PartialRecord = partialRecord, PreviousTarget = previousTarget
});
}
}
// Step 4 : sending recap by email
if (config.MailEnableNotifications && updatedRecords.Count > 0)
{
Console.WriteLine("Sending notification email...");
using (SmtpClient client = new SmtpClient(config.MailSmtpHost, config.MailSmtpPort)
{
UseDefaultCredentials = false,
Credentials = new NetworkCredential(config.MailSmtpUsername, config.MailSmtpPassword),
EnableSsl = config.MailEnableSsl,
Timeout = TimeSpan.FromSeconds(20).Milliseconds
})
{
MailMessage mailMessage = new MailMessage {
From = new MailAddress(config.MailFrom)
};
mailMessage.To.Add(config.MailTo);
mailMessage.Body =
"Your public IP has changed! Here is the detail of the updated OVH DNS records:\r\n" +
"\r\n";
foreach (UpdatedRecord updatedRecord in updatedRecords)
{
mailMessage.Body +=
$"{(!string.IsNullOrEmpty(updatedRecord.PartialRecord.SubDomain) ? "Sub-domain" : "Domain")} updated: " +
$"{(!string.IsNullOrEmpty(updatedRecord.PartialRecord.SubDomain) ? updatedRecord.PartialRecord.SubDomain + "." : string.Empty)}" +
$"{updatedRecord.PartialRecord.Zone}\r\n" +
$" >> Old IP address: {updatedRecord.PreviousTarget}\r\n" +
$" >> New IP address: {updatedRecord.PartialRecord.Target}\r\n" +
"\r\n";
}
mailMessage.Subject = $"OVH Domain Target Updated on {DateTime.Now:dd/MM/yyyy HH:mm:ss}!";
client.Send(mailMessage);
}
Console.WriteLine("Email notification sent!");
}
await Task.Delay(TimeSpan.FromMinutes(5));
}
catch (Exception e)
{
Console.WriteLine(e);
Console.WriteLine("Recovering after error... Waiting 10 seconds before retrying...");
await Task.Delay(TimeSpan.FromSeconds(10));
}
}
}
}