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Adding Get-TeamsApps Function #18

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merged 2 commits into from
Nov 14, 2023
Merged

Adding Get-TeamsApps Function #18

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31c3aa2
Adding Get-TeamsApps Function
Nov 10, 2023
017fa09
Fixed token issue
Nov 14, 2023
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82 changes: 82 additions & 0 deletions GraphRunner.ps1
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Original file line number Diff line number Diff line change
Expand Up @@ -1444,6 +1444,88 @@ Function Get-Inbox{
}
}

function Get-TeamsApps{
<#
.SYNOPSIS

This module enumerates all accessible Teams chat channel and grabs the URL for all installed apps in side each channel.
Author: Matt Eidelberg (@Tyl0us)
License: MIT
Required Dependencies: None
Optional Dependencies: None

.DESCRIPTION

This module enumerates all accessible Teams chat channel and grabs the URL for all installed apps in side each channel.

.PARAMETER Tokens

Pass the $tokens global variable after authenticating to this parameter

.EXAMPLE

C:\PS> Get-TeamsApps -Tokens $tokens
-----------
This will enumerates all accessible Teams chat channel and grabs the URL for all installed apps in side each channel.

#>
Param (
[Parameter(Position = 0, Mandatory = $False)]
[object[]]
$Tokens
)
if(!$Tokens){
# Login
Write-Host -ForegroundColor yellow "[*] First, you need to login."
Write-Host -ForegroundColor yellow "[*] If you already have tokens you can use the -Tokens parameter to pass them to this function."
while($auth -notlike "Yes"){
Write-Host -ForegroundColor cyan "[*] Do you want to authenticate now (yes/no)?"
$answer = Read-Host
$answer = $answer.ToLower()
if ($answer -eq "yes" -or $answer -eq "y") {
Write-Host -ForegroundColor yellow "[*] Running Get-GraphTokens now..."
$tokens = Get-GraphTokens -ExternalCall
$auth = "Yes"
} elseif ($answer -eq "no" -or $answer -eq "n") {
Write-Host -ForegroundColor Yellow "[*] Quitting..."
return
} else {
Write-Host -ForegroundColor red "Invalid input. Please enter Yes or No."
}
}
}
$access_token = $tokens.access_token
$headers = @{
Authorization = "Bearer $access_token"
"Content-Type" = "application/json"
}

$teamsResponse = Invoke-RestMethod -Method Get -Uri "https://graph.microsoft.com/v1.0/me/joinedTeams" -Headers $headers

foreach ($team in $teamsResponse.value) {
$teamId = $team.id
Write-Host "Team: $($team.displayName)"

$channelsResponse = Invoke-RestMethod -Headers $headers -Uri "https://graph.microsoft.com/v1.0/teams/$teamId/channels" -Method Get -ErrorAction Stop

foreach ($channel in $channelsResponse.value) {
$channelId = $channel.id
Write-Host " Checking Channel: $($channel.displayName)"

try {
$connectorsResponse = Invoke-RestMethod -Headers $headers -Uri "https://graph.microsoft.com/v1.0/teams/$teamId/channels/$channelId/tabs" -Method Get -ErrorAction Stop
foreach ($tab in $connectorsResponse.value) {
if ($tab -and $tab.webUrl) {
Write-Host " Channel App: $($tab.displayName) - URL: $($tab.webUrl)"
}
}
} catch {
Write-Host " An error occurred: $_.Exception.Message"
}
}
}
}

function Get-TeamsChat{
<#
.SYNOPSIS
Expand Down