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[CmdletBinding()]
param(
[Parameter()]
[ValidateNotNullOrEmpty()]
[string]$SeedScreenName,
[Parameter()]
[ValidateNotNullOrEmpty()]
[string[]]$NeverFollow = @('adbertram')
)
# $OAuthSettings = @{
# ApiKey = ''
# ApiSecret = ''
# AccessToken = ''
# AccessTokenSecret = ''
# }
# Set-TwitterOAuthSettings @OAuthSettings
# #requires -Module PSTwitterApi
function Show-Countdown {
[CmdletBinding()]
param(
[Parameter(Mandatory)]
[ValidateNotNullOrEmpty()]
[int]$MaxWaitMin
)
$timer = [system.diagnostics.stopwatch]::StartNew()
do {
$totalMinsWaited = [math]::Round($timer.Elapsed.TotalMinutes, 0)
Write-Host "$($MaxWaitMin - $totalMinsWaited)..." -NoNewline
Start-Sleep -Seconds 60
} while ($timer.Elapsed.TotalMinutes -lt $MaxWaitMin)
$timer.Stop()
}
function Get-FriendlyApiErrorResponse {
param(
[Parameter(Mandatory)]
[ValidateNotNullOrEmpty()]
[System.Management.Automation.ErrorRecord]$ErrorResponse
)
if ($ErrorResponse.Exception.Message -match 'You are unable to follow more people at this time') {
$ErrorResponse.Exception.Message
} else {
($ErrorResponse.ErrorDetails.Message | ConvertFrom-Json).errors.message
}
}
function Test-ApiRateLimitResponse {
param(
[Parameter(Mandatory)]
[ValidateNotNullOrEmpty()]
[string]$ErrorResponse
)
$ErrorResponse -match '(Too many requests)|(Rate limit exceeded)'
}
function Get-TwitterFollowers {
[CmdletBinding()]
param
(
[Parameter()]
[ValidateNotNullOrEmpty()]
[string]$ScreenName,
[Parameter()]
[ValidateNotNullOrEmpty()]
[int]$RetryInterval = 15
)
do {
try {
$getFollowParams = @{
ErrorAction = 'Stop'
count = 200
}
if ($PSBoundParameters.ContainsKey('ScreenName')) {
$getFollowParams.screen_name = $ScreenName
}
if (Get-Variable -Name 'response' -ErrorAction 'Ignore') {
$getFollowParams.cursor = $response.next_cursor
}
if ($response = Get-TwitterFollowers_List @getFollowParams) {
Write-Verbose -Message "Get-TwitterFollowers: Retrieved $($response.users.Count) followers from user $ScreenName..."
$response.users
}
} catch {
$errResponse = Get-FriendlyApiErrorResponse -ErrorResponse $_
if (Test-ApiRateLimitResponse -ErrorResponse $errResponse) {
Write-Host "Hit API rate limit. Waiting $RetryInterval minutes..."
Show-Countdown -MaxWaitMin $RetryInterval
} else {
throw $errResponse
}
}
} while ($response.next_cursor)
}
function Get-MyTwitterFriends {
## Users I'm following
[CmdletBinding()]
param
(
[Parameter()]
[ValidateNotNullOrEmpty()]
[int]$RetryInterval = 15 ## minutes
)
do {
try {
$getTwitterFriendsParams = @{
count = 200
ErrorAction = 'Stop'
}
if (Get-Variable -Name 'response' -ErrorAction 'Ignore') {
$getTwitterFriendsParams.cursor = $response.next_cursor
}
if ($response = Get-TwitterFriends_List @getTwitterFriendsParams) {
Write-Verbose -Message "Retrieved $($response.users.Count) friends from API call..."
$response.users
}
} catch {
$errResponse = Get-FriendlyApiErrorResponse -ErrorResponse $_
if (Test-ApiRateLimitResponse -ErrorResponse $errResponse) {
Write-Host 'Hit API rate limit. Waiting...'
Show-Countdown
} else {
throw $errResponse
}
}
} while ($response.next_cursor)
}
function Follow-TwitterUser {
[CmdletBinding()]
param
(
[Parameter(Mandatory)]
[ValidateNotNullOrEmpty()]
[string]$ScreenName,
[Parameter()]
[ValidateNotNullOrEmpty()]
[int]$RetryInterval = 15, ## minutes
[Parameter()]
[ValidateNotNullOrEmpty()]
[int]$MaxRetries = 5
)
$retriesPerformed = 0
$success = $false
do {
try {
$followParams = @{
ErrorAction = 'Stop'
screen_name = $ScreenName
}
Write-Verbose -Message "Attempting to follow screen name $ScreenName..."
$response = Send-TwitterFriendships_Create @followParams
Write-Verbose -Message 'Successfully followed user.'
$success = $true
} catch {
$errResponse = Get-FriendlyApiErrorResponse -ErrorResponse $_
if (Test-ApiRateLimitResponse -ErrorResponse $errResponse) {
$retriesPerformed++
if ($retriesPerformed -le $MaxRetries) {
Write-Host "Hit API rate limit. Waiting $RetryInterval minutes..."
Show-Countdown -MaxWaitMin $RetryInterval
} else {
throw $errResponse
}
} else {
throw $errResponse
}
}
} while (-not $success)
}
$profileDescKeywords = @('sccm', 'powershell', 'geek', 'engineer', 'azure', 'cloud', 'devops', 'admin', 'mcp', 'microsoft', 'aws', ' IT ', 'SQL')
# $myExistingFollowerScreenNames = (Get-TwitterFollowers).users.screen_name
foreach ($user in $SeedScreenName) {
try {
## filter unwanted users
<#
- following target screen name
- is not protected
- is not following me
- I am not following them
- they have a profile
- does not have a default profile image
- has at least one keyword in list in profile
#>
Get-TwitterFollowers -ScreenName $user -Verbose:$VerbosePreference | where {
$desc = $_.description;
-not $_.protected -and ## is not a protected account
-not $_.following -and ## I am not following them already
-not $_.followed_by -and ## They are not following me
$_.description -and ## They have a profile
$_.profile_image_url -notmatch 'default_profile_images' -and ## They don't have a default profilate image
($profileDescKeywords | ? { $desc -match $_ }) -and ## They have at least one interesting word in their profile
$_.screen_name -notin $NeverFollow
} | foreach {
Follow-TwitterUser -ScreenName $_.screen_name -Verbose:$VerbosePreference
}
} catch {
throw $_.Exception.Message
}
}
Write-Verbose -Message 'Twitter following complete.'
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