PortalPage.ps1
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# Set-StrictMode -Version Latest # From https://net-auth.shanghaitech.edu.cn:19008/material/custom/lang/common-zh.js $Script:LEGACY_IPADDR = "10.15.145.16" $Script:LEGACY_NETAUTH = "net-auth.shanghaitech.edu.cn" $Script:LEGACY_HEADER = [System.Collections.IDictionary]@{Host = ${Script:LEGACY_NETAUTH} } $Script:LEGACY_VALIDCODE_URL = "https://${Script:LEGACY_IPADDR}:19008/portalauth/verificationcode" $Script:LEGACY_LOGIN_URL = "https://${Script:LEGACY_IPADDR}:19008/portalauth/login" $Script:LEGACY_LOGOUT_URL = "https://${Script:LEGACY_IPADDR}:19008/portalauth/logout" $Script:LEGACY_SYNC_URL = "https://${Script:LEGACY_IPADDR}:19008/portalauth/syncPortalResult" enum LinkType { Ethernet Wireless Unknown } $Script:CachedLang = $null $Script:CachedL10n = $null function Get-ShanghaiTechLocalizedString { [OutputType([string])] [CmdletBinding()] param ( [Parameter(Mandatory)] [string] $Key, [Parameter()] [string] $Language = [cultureinfo]::CurrentCulture.Name ) $lang = Join-Path $PSScriptRoot lang if ($Script:CachedLang -ne $Language) { $file = Join-Path $lang "$Language.json" if (-not (Test-Path $file)) { $file = Join-Path $lang "default.json" } $Script:CachedL10n = Get-Content $file | ConvertFrom-Json } $Script:CachedL10n.$Key } function Get-ShanghaiTechLinkType { [CmdletBinding()] [OutputType([LinkType])] param ( [Parameter(Mandatory = $true, ValueFromPipeline = $true)] [string]$LocalIp ) process { # This is a naive implementation, may not work if it-support updates the network topology # 10.19 is ethernet, 10.20 is wireless if ($LocalIp -like "10.19.*.*") { [LinkType]::Ethernet } elseif ($LocalIp -like "10.20.*.*") { [LinkType]::Wireless } else { [LinkType]::Unknown } } } function Get-ShanghaiTechLocalIPAddress { [CmdletBinding()] [OutputType([string])] param() # Using cmdlets in NetTCPIP module is more reliable, but need to be cross-platform # https://stackoverflow.com/questions/6803073/get-local-ip-address try { $socket = [System.Net.Sockets.Socket]::new([System.Net.Sockets.AddressFamily]::InterNetwork, [System.Net.Sockets.SocketType]::Dgram, 0) $socket.Connect($Script:Config.DnsServer, 53) $localIP = $socket.LocalEndPoint.Address.ToString() } finally { if ($socket) { $socket.Dispose() } } return $localIP } function Read-ShanghaiTechValidCode { [CmdletBinding()] [OutputType([string])] param ( # User IP Address or URL to get the image [Parameter( Mandatory = $true, HelpMessage = "Type your IP Address", ValueFromPipeline = $true)] [string] $UserIpOrUrl, # User MAC Address [Parameter(Mandatory = $false)] [string] $UserMac = "null" ) process { $url = Out-ShanghaiTechValidCode -UserIpOrUrl $UserIpOrUrl -UserMac $UserMac -OutFormat url $displayUrl = $url.Replace($Script:LEGACY_IPADDR, $Script:LEGACY_NETAUTH) do { Write-Host "Enter CAPTCHA from $displayUrl" Write-Host "or 'i' to get a image, 'q' to show a QR code, 's img.jpg' to save the image" $i = Read-Host -Prompt "CAPTCHA" switch ($i.Trim().ToLower()) { 'i' { Out-ShanghaiTechValidCode -UserIpOrUrl $url -OutFormat image | Write-Host $retry = $true } 'q' { Out-ShanghaiTechValidCode -UserIpOrUrl $url -OutFormat qrcode | Write-Host $retry = $true } { $_ -like 's *' } { Out-ShanghaiTechValidCode $url -OutFile $i.Substring(1).Trim() | Write-Host $retry = $true } Default { $retry = $i -notmatch "^[0-9a-zA-Z]{4}$" } } } while ($retry) $i } } function Out-ShanghaiTechValidCode { param ( # User IP Address or URL to get the image [Parameter( Mandatory = $true, HelpMessage = "Type your IP Address", ValueFromPipeline = $true)] [string] $UserIpOrUrl, # User MAC Address [Parameter(Mandatory = $false)] [string] $UserMac = "null", [Parameter()] [string] $OutFile, # Display format [Parameter()] [ValidateSet("url", "image", "qrcode")] $OutFormat = "url" ) process { if ([ipaddress]::TryParse($UserIpOrUrl, [ref]0)) { $Url = Get-ShanghaiTechValidCode -UserIp $UserIpOrUrl -UserMac $UserMac } elseif ([uri]::TryCreate($UserIpOrUrl, [urikind]::Absolute, [ref]0)) { $Url = $UserIpOrUrl } else { throw "Invalid IP Address or URL: $UserIpOrUrl" } if ($OutFile) { Invoke-RestMethod -Uri $Url -Headers $Script:LEGACY_HEADER -OutFile $OutFile } switch ($OutFormat) { "url" { $Url } "image" { $image = (Invoke-WebRequest -Uri $Url -Headers $Script:LEGACY_HEADER).Content [System.Drawing.ImageConverter]::new().ConvertFrom($image) | Out-ConsolePicture } "qrcode" { $qrGenerater = [QRCoder.QRCodeGenerator]::new() $qrCodeData = $qrGenerater.CreateQrCode($Url, [QRCoder.QRCodeGenerator+ECCLevel]::M) $asciiQRCode = [QRCoder.AsciiQRCode]::new($qrCodeData) $asciiQRCode.GetGraphic(1) } Default { Write-Error "Invalid OutFormat: $OutFormat" } } } } function Get-ShanghaiTechValidCode { param ( # User IP Address [Parameter(Mandatory = $true, HelpMessage = "Type your IP Address", ValueFromPipeline = $true)] [ValidateScript( { [ipaddress]::TryParse($_, [ref]0) } # , ErrorMessage = "Invalid IP Address: {0}" )] [string] $UserIp, # User MAC Address [Parameter(Mandatory = $false)] [string] $UserMac = "null", # Write Output to File. If not specified, output will be written to console. [Parameter()] [string] $OutFile ) process { $date = [System.DateTimeOffset]::Now.ToUnixTimeMilliseconds() $url = "${Script:LEGACY_VALIDCODE_URL}?date=${date}&uaddress=${UserIp}&umac=${UserMac}" if ($OutFile) { Invoke-RestMethod -Uri $url -Headers $Script:LEGACY_HEADER -OutFile $OutFile } else { $url } } } function Get-ShanghaiTechLoginSSID { param ( # Link type [Parameter(Mandatory = $true, ValueFromPipeline = $true)] [LinkType] $LinkType ) process { switch ($LinkType) { ([LinkType]::Ethernet) { [System.Convert]::ToBase64String([System.Text.Encoding]::UTF8.GetBytes('=LswSsidPlaceholder=')) } ([LinkType]::Wireless) { "ShanghaiTech" } Default { Write-Warning "Unknown link type $LinkType, assuming Ethernet. If failed, please manually specify the SSID." [System.Convert]::ToBase64String([System.Text.Encoding]::UTF8.GetBytes('=LswSsidPlaceholder=')) } } } } # May not correct enum AuthType { VIP = 1 SMS = 3 FacebookTwitter = 4 WeChat = 5 Passcode = 6 Twitter = 12 Google = 13 QQ = 14 Weibo = 15 QRCode = 16 PublicQRCode = 22 } #region API function ParseNetAuthResult { [CmdletBinding()] param ( # Payload [Parameter(Mandatory = $true, ValueFromPipelineByPropertyName = $true)] [pscustomobject] $Payload, # Session [Parameter(Mandatory = $true, ValueFromPipelineByPropertyName = $true)] [Microsoft.PowerShell.Commands.WebRequestSession] $Session ) process { if (-not $Payload) { return } if ($Payload.PSObject.Properties['errorcode']) { $errorMessage = Get-ShanghaiTechLocalizedString $Payload.errorcode if ($errorMessage) { Add-Member -InputObject $Payload -MemberType NoteProperty -Name "errorMessage" -Value $errorMessage } } if ($Payload.PSObject.Properties['psessionid'] -and $Session) { $Session.Cookies.Add([System.Net.Cookie]::new("PSESSIONID", $Payload.psessionid, "/", $Script:LEGACY_NETAUTH)) } if ($Payload.PSObject.Properties['token']) { $Session.Headers.Add("X-CSRF-TOKEN", $Payload.token) } } } function SetSession { [CmdletBinding()] [OutputType([Microsoft.PowerShell.Commands.WebRequestSession])] param ( # Session [Parameter(ValueFromPipelineByPropertyName = $true)] [Microsoft.PowerShell.Commands.WebRequestSession] $Session, # Session ID [Parameter(ValueFromPipelineByPropertyName = $true)] [string] $SessionId ) process { if (-not $Session) { $Session = New-Object Microsoft.PowerShell.Commands.WebRequestSession } if ($SessionId) { $Session.Cookies.Add([System.Net.Cookie]::new("PSESSIONID", $SessionId, "/", $Script:LEGACY_NETAUTH)) } $Session } } function Invoke-ShanghaiTechLogin { [CmdletBinding()] # https://learn.microsoft.com/en-us/powershell/scripting/learn/deep-dives/add-credentials-to-powershell-functions param ( # Credential [Parameter(Mandatory = $true, HelpMessage = "Type your username and password")] [ValidateNotNull()] [pscredential] [System.Management.Automation.Credential()] $Credential, # # User IP Address # [Parameter(Mandatory = $true, HelpMessage = "Type your IP Address", ValueFromPipeline = $true)] # [ValidateScript( # { [ipaddress]::TryParse($_, [ref]0) } # # , ErrorMessage = "Invalid IP Address: {0}" # )] # [Alias('uaddress')] # [string] # $UserIp, # # User MAC Address # [Parameter(Mandatory = $false)] # [ValidateScript( # { [regex]::IsMatch($_, "^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$") } # # , ErrorMessage = "Invalid MAC Address: {0}" # )] # [string] # $UserMac = $null, # # Link Type # [Parameter(Mandatory = $false)] # [string] # [Alias('ssid')] # $SSID, # Captcha [Parameter(Mandatory = $false)] [AllowEmptyString()] [AllowNull()] $Captcha = $null, # Session ID [Parameter(HelpMessage = "Type your session ID")] [ValidateNotNullOrEmpty()] [Alias('psessionid')] [string] $SessionId, # User session [Parameter(ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true)] [Microsoft.PowerShell.Commands.WebRequestSession] $Session, # Extra parameters [Parameter(ValueFromPipelineByPropertyName = $true)] [hashtable] $ExtraParameters = @{} ) dynamicparam { $userIpAttribute = [System.Collections.ObjectModel.Collection[System.Attribute]]@( $parameterAttribute = [System.Management.Automation.ParameterAttribute]@{ Mandatory = -not ($ExtraParameters -and $ExtraParameters.Contains('uaddress')) ValueFromPipeline = $true HelpMessage = "Type your IP Address" } $parameterAttribute [System.Management.Automation.ValidateScriptAttribute] { [ipaddress]::TryParse($_, [ref]0) } [System.Management.Automation.AliasAttribute]::new('uaddress') ) $userIpParameter = [System.Management.Automation.RuntimeDefinedParameter]::new('UserIp', [string], $userIpAttribute) $userMacAttribute = [System.Collections.ObjectModel.Collection[System.Attribute]]@( $parameterAttribute = [System.Management.Automation.ParameterAttribute]@{ Mandatory = $true HelpMessage = "Type your MAC Address" } $parameterAttribute [System.Management.Automation.AliasAttribute]::new('umac') ) $userMacParameter = [System.Management.Automation.RuntimeDefinedParameter]::new('UserMac', [string], $userMacAttribute) $ssidAttribute = [System.Collections.ObjectModel.Collection[System.Attribute]]@( $parameterAttribute = [System.Management.Automation.ParameterAttribute]@{ Mandatory = $false HelpMessage = "Type your SSID" } $parameterAttribute ) $ssidParameter = [System.Management.Automation.RuntimeDefinedParameter]::new('SSID', [string], $ssidAttribute) $paramDictionary = [System.Management.Automation.RuntimeDefinedParameterDictionary]::new() $paramDictionary.Add('UserIp', $userIpParameter) $paramDictionary.Add('UserMac', $userMacParameter) $paramDictionary.Add('SSID', $ssidParameter) return $paramDictionary } begin { $NetworkCredential = $Credential.GetNetworkCredential() $UserIp = $PSBoundParameters['UserIp'] $UserMac = $PSBoundParameters['UserMac'] $SSID = $PSBoundParameters['SSID'] $Session = SetSession -Session $Session -SessionId $SessionId } process { # Set PostData $PostData = @{ userName = $NetworkCredential.UserName userPass = $NetworkCredential.Password authType = [int][AuthType]::VIP agreed = 1 } if ($ExtraParameters -is [hashtable]) { foreach ($key in $ExtraParameters.Keys) { $PostData[$key] = $ExtraParameters[$key] } } elseif ($ExtraParameters -is [pscustomobject]) { foreach ($p in $ExtraParameters.PSObject.Properties) { $PostData[$p.Name] = $p.Value } } elseif ($ExtraParameters) { Write-Warning "ExtraParameters is not a hashtable or pscustomobject, ignored." } if ($UserIp) { $PostData.uaddress = $UserIp } if ($UserMac) { $PostData.umac = $UserMac } # elseif ($null -eq $PostData.Item('umac')) { $PostData.umac = "null" } if ($SSID) { $PostData.ssid = $SSID } elseif ($PostData.uaddress) { $PostData.ssid = Get-ShanghaiTechLinkType -LocalIp $PostData.uaddress | Get-ShanghaiTechLoginSSID } $PostData.validCode = $Captcha Write-Verbose ($PostData | ConvertTo-Json -Compress) # Post request $login = Invoke-RestMethod -Uri $Script:LEGACY_LOGIN_URL -Method Post -Headers $Script:LEGACY_HEADER -Body $PostData -SessionVariable $Session ParseNetAuthResult -Payload $login -Session $Session $login } } function Invoke-ShanghaiTechLogout { [CmdletBinding()] param ( # Session ID [Parameter(ValueFromPipelineByPropertyName = $true, HelpMessage = "Type your session ID")] [ValidateNotNullOrEmpty()] [Alias('psessionid')] [string] $SessionId, # User session [Parameter(ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true)] [Microsoft.PowerShell.Commands.WebRequestSession] $Session ) process { $Session = SetSession -Session $Session -SessionId $SessionId $logout = Invoke-RestMethod -Uri $Script:LEGACY_LOGOUT_URL -Method Post -Headers $Script:LEGACY_HEADER -SessionVariable $Session ParseNetAuthResult -Payload $logout -Session $Session $logout } } function Invoke-ShanghaiTechSync { [CmdletBinding()] param ( # Session ID [Parameter(ValueFromPipelineByPropertyName = $true, HelpMessage = "Type your session ID")] [ValidateNotNullOrEmpty()] [Alias('psessionid')] [string] $SessionId, # User session [Parameter(ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true)] [Microsoft.PowerShell.Commands.WebRequestSession] $Session ) process { $Session = SetSession -Session $Session -SessionId $SessionId $sync = Invoke-RestMethod -Uri $Script:LEGACY_SYNC_URL -Method Post -Headers $Script:LEGACY_HEADER -SessionVariable $Session ParseNetAuthResult -Payload $sync -Session $Session $sync } } #endregion |