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TeamsHandler.cs
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TeamsHandler.cs
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using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Security.Authentication;
using System.Text;
using System.Threading.Tasks;
using TeamFiltration.Models.MSOL;
using TeamFiltration.Models.TeamFiltration;
using TeamFiltration.Models.Teams;
using TeamFiltration.Helpers;
namespace TeamFiltration.Handlers
{
class TeamsHandler
{
public static HttpClient _teamsClient;
public static GlobalArgumentsHandler _globalArgsHandler;
// APAC = Asia-Pacific
// EMEA = EU
// AMER = US
public static string TeamsRegion = "amer";
public TeamsHandler(BearerTokenResp getBearToken, GlobalArgumentsHandler teamFiltrationConfig)
{
_globalArgsHandler = teamFiltrationConfig;
var proxy = new WebProxy
{
Address = new Uri(_globalArgsHandler.TeamFiltrationConfig.proxyEndpoint),
BypassProxyOnLocal = false,
UseDefaultCredentials = false,
};
var httpClientHandler = new HttpClientHandler
{
Proxy = proxy,
ServerCertificateCustomValidationCallback = (message, xcert, chain, errors) =>
{
return true;
},
SslProtocols = SslProtocols.Tls12 | SslProtocols.Tls11 | SslProtocols.Tls,
UseProxy = _globalArgsHandler.DebugMode
};
_teamsClient = new HttpClient(httpClientHandler);
_teamsClient.DefaultRequestHeaders.Add("Authorization", $"Bearer {getBearToken.access_token}");
_teamsClient.DefaultRequestHeaders.Add("User-Agent", teamFiltrationConfig.TeamFiltrationConfig.UserAgent);
_teamsClient.DefaultRequestHeaders.Add("x-ms-client-caller", "x-ms-client-caller");
_teamsClient.DefaultRequestHeaders.Add("x-ms-client-version", "27/1.0.0.2021011237");
_teamsClient.DefaultRequestHeaders.Add("Referer", "https://teams.microsoft.com/_");
_teamsClient.DefaultRequestHeaders.Add("ClientInfo", "os=Android; osVer=7.1.2; proc=x86; lcid=en-US; deviceType=2; country=US; clientName=microsoftteams; clientVer=1416/1.0.0.2021012201; utcOffset=+01:00");
}
public async Task<TeamsFileResp> GetRecentFiles(string module)
{
var recentFilesUrl = $"https://teams.microsoft.com/api/mt/{TeamsRegion}/beta/me/recent/files?";
var recentFilesReq = await _teamsClient.PollyGetAsync(recentFilesUrl);
var recentFilesResp = await recentFilesReq.Content.ReadAsStringAsync();
var recentFilesRespData = JsonConvert.DeserializeObject<TeamsFileResp>(recentFilesResp);
return recentFilesRespData;
}
public async Task<AccountPropResp> GetAccountInfo()
{
var enumAccountUrl = "https://teams.microsoft.com/v1/users/ME/properties";
var enumAccountReq = await _teamsClient.PollyGetAsync(enumAccountUrl, 0);
var enumAccountResp = await enumAccountReq.Content.ReadAsStringAsync();
var enumAccountDataResp = JsonConvert.DeserializeObject<AccountPropResp>(enumAccountResp);
return enumAccountDataResp;
}
public async Task<List<GetTenatsResp>> GetTenantsInfo()
{
var enumTenantUrl = $"https://teams.microsoft.com/api/mt/{TeamsRegion}/beta/users/tenants";
var enumTenantReq = await _teamsClient.PollyGetAsync(enumTenantUrl, 0);
var enumTenantResp = await enumTenantReq.Content.ReadAsStringAsync();
var enumTenantRespData = JsonConvert.DeserializeObject<List<GetTenatsResp>>(enumTenantResp);
return enumTenantRespData;
}
public async Task<(SkypeTokenResp, SkypeErrorRespons)> SetSkypeToken()
{
var getSkypeTokenUrl = "https://authsvc.teams.microsoft.com/v1.0/authz";
var getSkypeTokenReq = await _teamsClient.PollyPostAsync(getSkypeTokenUrl, null);
var getSkypeTokenResp = await getSkypeTokenReq.Content.ReadAsStringAsync();
if (getSkypeTokenReq.IsSuccessStatusCode)
{
var getSkypeTokenDataResp = JsonConvert.DeserializeObject<SkypeTokenResp>(getSkypeTokenResp);
_teamsClient.DefaultRequestHeaders.Add("Authentication", "skypetoken=" + getSkypeTokenDataResp.tokens.skypeToken);
_teamsClient.DefaultRequestHeaders.Add("X-Skypetoken", getSkypeTokenDataResp.tokens.skypeToken);
return (getSkypeTokenDataResp, null);
}
else
{
var getSkypeErrorResp = JsonConvert.DeserializeObject<SkypeErrorRespons>(getSkypeTokenResp);
return (null, getSkypeErrorResp);
}
}
public async Task<ChatLogResp> GetChatLogs(Conversation chatResp)
{
var fetchChatLogsReq = await _teamsClient.PollyGetAsync(chatResp.messages);
var fetchChatLogsResp = await fetchChatLogsReq.Content.ReadAsStringAsync();
var fetchChatLogsDataResp = JsonConvert.DeserializeObject<ChatLogResp>(fetchChatLogsResp);
return fetchChatLogsDataResp;
}
public async Task<UserConversationsResp> GetThreads(string meetingId)
{
var getConversationUrl = $"https://{TeamsRegion}.ng.msg.teams.microsoft.com/v1/threads/{meetingId}?view=msnp24Equivalent";
var getConversationsReq = await _teamsClient.PollyGetAsync(getConversationUrl);
var getConversationResp = await getConversationsReq.Content.ReadAsStringAsync();
var getConversationDataResp = JsonConvert.DeserializeObject<UserConversationsResp>(getConversationResp);
return getConversationDataResp;
}
public async Task<UserConversationsResp> GetConversations()
{
var getConversationUrl = $"https://{TeamsRegion}.ng.msg.teams.microsoft.com/v1/users/ME/conversations";
var getConversationsReq = await _teamsClient.PollyGetAsync(getConversationUrl);
var getConversationResp = await getConversationsReq.Content.ReadAsStringAsync();
var getConversationDataResp = JsonConvert.DeserializeObject<UserConversationsResp>(getConversationResp);
return getConversationDataResp;
}
public async Task<WorkingWithResp> GetWorkingWithList(string tenantId)
{
var workingWithListUrl = $"https://teams.microsoft.com/api/mt/{TeamsRegion}/beta/users/8:orgid:{tenantId}/workingWith?enableEnhancedSearch=false&enableGuest=true";
var workingWithListReq = await _teamsClient.PollyGetAsync(workingWithListUrl);
var workingWithDataResp = JsonConvert.DeserializeObject<WorkingWithResp>(await workingWithListReq.Content.ReadAsStringAsync());
return workingWithDataResp;
}
public async Task<(bool isValid, string objectId, TeamsExtSearchRep responseObject, Outofofficenote Outofofficenote)> EnumUser(string username, string enumUserUrl)
{
Outofofficenote Outofofficenote = new Outofofficenote() { };
int failedCount = 0;
failedResp:
//TODO:Add logic to select FireProx endpoint based on current location
var enumUserReq = await _teamsClient.PollyGetAsync(enumUserUrl + $"{TeamsRegion}/beta/users/{username}/externalsearchv3");
if (enumUserReq.IsSuccessStatusCode)
{
//We got an 200 OK response
var userResp = await enumUserReq.Content.ReadAsStringAsync();
//Indication of valid JSOn response
if (userResp.Contains("tenantId"))
{
//get the object
List<TeamsExtSearchRep> responeObject = JsonConvert.DeserializeObject<List<TeamsExtSearchRep>>(userResp);
//Any size
if (responeObject.Count() > 0)
{
if (
//Check that the TenantID is not null
responeObject.FirstOrDefault().tenantId != null
//Check that the coExistenceMode is not Unknown
&& !responeObject.FirstOrDefault().featureSettings.coExistenceMode.Equals("Unknown")
//Check that the Display != Equals email.
&& !responeObject.FirstOrDefault().displayName.Equals(username)
//Check that the UPN matches the email your are looking for
&& responeObject.FirstOrDefault().userPrincipalName.ToLower().Equals(username.ToLower())
)
{
try
{
//Check the user presence
HttpResponseMessage getUserPresence = await _teamsClient.PollyPostAsync(
$"https://presence.teams.microsoft.com/v1/presence/getpresence/",
new StringContent(
"[{ \"mri\":\"" + responeObject.FirstOrDefault().mri + "\"}]"
, Encoding.UTF8
, "application/json"
)
);
var getPresenceObject = JsonConvert.DeserializeObject<List<GetPresenceResp>>(await getUserPresence.Content.ReadAsStringAsync());
if (getPresenceObject.FirstOrDefault()?.presence?.calendarData?.isOutOfOffice != null)
{
Outofofficenote = getPresenceObject.FirstOrDefault()?.presence?.calendarData.outOfOfficeNote;
}
}
catch (Exception ex)
{
}
return (true, responeObject.FirstOrDefault().objectId, responeObject.FirstOrDefault(), Outofofficenote);
}
}
}
return (false, "", null, null);
}
else if (enumUserReq.StatusCode.Equals(HttpStatusCode.Forbidden))
{
//If we get the forbidden error response, we can assume it's valid!
return (true, Guid.NewGuid().ToString(), null, null);
}
else if (enumUserReq.StatusCode.Equals(HttpStatusCode.InternalServerError))
{
failedCount++;
if (failedCount > 2)
return (false, "", null, null);
else
goto failedResp;
}
return (false, "", null, null);
}
public async Task<(byte[] byteArray, string fileName)> DownloadAttachment(string url, string fileName)
{
var downloadAttachReq = await _teamsClient.PollyGetAsync(url);
var attachBytes = await downloadAttachReq.Content.ReadAsByteArrayAsync();
return (attachBytes, fileName);
}
public async Task<ContactSearchResp> GetContactList(string searchTerm = "@")
{
var enumContactListUrl = $"https://teams.microsoft.com/api/mt/{TeamsRegion}/beta/users/searchV2?includeDLs=true&includeBots=true&enableGuest=true&source=newChat&skypeTeamsInfo=true";
var enumContactListReq = await _teamsClient.PollyPostAsync(enumContactListUrl, new StringContent(searchTerm, Encoding.UTF8, "application/json"));
var enumContactListDataResp = JsonConvert.DeserializeObject<ContactSearchResp>(await enumContactListReq.Content.ReadAsStringAsync());
return enumContactListDataResp;
}
public async Task<FilesAvailabilityResp> GetSharePointInfo()
{
var enumSharePointUrl = $"https://teams.microsoft.com/api/mt/{TeamsRegion}/beta/me/files/availability";
var enumSharePoinReq = await _teamsClient.PollyPostAsync(enumSharePointUrl, null, 0);
var enumSharePointRes = JsonConvert.DeserializeObject<FilesAvailabilityResp>(await enumSharePoinReq.Content.ReadAsStringAsync());
return enumSharePointRes;
}
}
}