public static bool MoveEmail(string archiveMailFolderID, string graph_api_endpoint, string username, string emailID, string token)
{
var moveEmailBody = new MoveEmailBody
{
DestinationId = archiveMailFolderID
};
try
{
ApiCallers.API_Action_Caller(
graph_api_endpoint,
string.Format("/users/{0}/messages/{1}/move", username, emailID),
token,
"post",
moveEmailBody
);
return(true);
}
catch (System.Exception)
{
return(false);
}
}
public static bool MarkAsRead(string graph_api_endpoint, string username, string emailID, string token)
{
var markAsReadBody = new JsonBody
{
IsRead = true
};
try
{
ApiCallers.API_Action_Caller(
graph_api_endpoint,
string.Format("/users/{0}/messages/{1}", username, emailID),
token,
"patch",
markAsReadBody
);
return(true);
}
catch (System.Exception)
{
return(false);
}
}
public virtual void R7Alerts(object sender, ElapsedEventArgs e)
{
if (testing)
{
slackWebHook = ConfigurationManager.AppSettings["TestSlackWebhook"];
username = ConfigurationManager.AppSettings["TestUsername"];
}
SlackClient <string> slackClient = new SlackClient <string>(slackWebHook);
try
{
string dateTime = DateTime.Now.ToString();
var adalResults = ServicePrincipal.GetS2SAccessTokenForProdMSAAsync().GetAwaiter().GetResult();
string token = null;
token = adalResults.AccessToken;
if (token != null)
{
dynamic mailFolders = null;
mailFolders = ApiCallers.Get_API_Results(
graph_api_endpoint,
string.Format("/users/{0}/mailFolders", username),
token
);
string inboxMailFolderID = null;
string archiveMailFolderID = null;
if (mailFolders != null)
{
foreach (var mailFolder in mailFolders)
{
if (mailFolder["displayName"] == "Inbox")
{
inboxMailFolderID = mailFolder["id"];
}
else if (mailFolder["displayName"] == "Archive")
{
archiveMailFolderID = mailFolder["id"];
}
}
dynamic emailJsonData = null;
emailJsonData = ApiCallers.Get_API_Results(
graph_api_endpoint,
string.Format("/users/{0}/mailFolders/{1}/messages?$top=200", username, inboxMailFolderID),
token
);
if (emailJsonData != null && emailJsonData.Count >= 1)
{
foreach (var email in emailJsonData)
{
string emailID = Convert.ToString(email["id"]);
if (email["isRead"] == false)
{
EmailObject emailObject = new EmailObject()
{
BodyPreview = Convert.ToString(email["bodyPreview"]),
EmailSubject = Convert.ToString(email["subject"]),
EmailSentDateTime = Convert.ToDateTime(email["sentDateTime"]),
EmailBodyHtml = Convert.ToString(email["body"]["content"]),
EmailSentFrom = Convert.ToString(email["sender"]["emailAddress"]["address"])
};
HtmlDocument htmlDocument = new HtmlDocument();
htmlDocument.LoadHtml(emailObject.EmailBodyHtml);
HtmlNode htmlBody = htmlDocument.DocumentNode.SelectSingleNode("//body");
Converter converter = new Converter();
string htmlMarkdown;
if (htmlBody != null)
{
try
{
htmlMarkdown = converter.Convert(htmlBody.InnerHtml);
}
catch (Exception)
{
htmlMarkdown = htmlBody.InnerText;
}
}
else
{
htmlMarkdown = converter.Convert(emailObject.EmailBodyHtml);
}
string slackColor;
string slackChannel = "";
if (testing)
{
switch (emailObject.EmailSentFrom)
{
case "*****@*****.**":
slackColor = SlackColors.Amber;
break;
case "*****@*****.**":
slackColor = SlackColors.Red;
break;
default:
slackColor = SlackColors.White;
break;
}
}
else
{
switch (emailObject.EmailSentFrom)
{
case "*****@*****.**":
slackColor = SlackColors.Amber;
slackChannel = "r7_phish_alerts"; // This can be changed to another channel name
break;
case "*****@*****.**":
slackColor = SlackColors.Red;
slackChannel = "r7_idr_alerts"; // This can be changed to another channel name
break;
default:
slackColor = SlackColors.White;
break;
}
}
List <Attachment> slackAttachments = new List <Attachment>();
Attachment attachment = new Attachment()
{
text = htmlMarkdown.Replace("**", "*"),
color = slackColor,
pretext = string.Format($"`{emailObject.EmailSubject}` sent on *{emailObject.EmailSentDateTime.ToLocalTime().ToShortDateString()}* at *{emailObject.EmailSentDateTime.ToLocalTime().TimeOfDay} EST*")
};
slackAttachments.Add(attachment);
bool postMessage = slackClient.PostMessage(
channel: slackChannel,
username: "******",
attachments: slackAttachments
);
if (postMessage)
{
// Marks email as read
ApiCallers.MarkAsRead(graph_api_endpoint, username, emailID, token);
// Moves email to Archive folder in mailbox
ApiCallers.MoveEmail(archiveMailFolderID, graph_api_endpoint, username, emailID, token);
}
else
{
logger.Info("Failed to post message. Leaving it unread and in the Inbox.");
}
}
else
{
// Moves email to Archive folder in mailbox
ApiCallers.MoveEmail(archiveMailFolderID, graph_api_endpoint, username, emailID, token);
}
}
}
}
}
}
catch (System.NullReferenceException nullRef)
{
logger.Error($"Null Reference Exception: {nullRef}");
}
catch (Exception ex)
{
List <Attachment> slackErrorAttachments = new List <Attachment>();
Attachment errorAttachment = new Attachment()
{
text = ex.ToString(),
color = SlackColors.Purple,
pretext = "*Program Exception - Halting service*"
};
slackErrorAttachments.Add(errorAttachment);
slackClient.PostMessage(
username: "******",
attachments: slackErrorAttachments
);
Stop();
}
}
