MacFormat 1999 Spring/macformat-077.iso/Shareware Plus/Development/Akua Sweets 131/Akua Sweets Examples/Network/Remote/Remote Launch

Text File | 1999-03-04 | 4.8 KB | 194 lines | [TEXT/ToyS]

-- User setable properties
property kasAllowAlerts : true -- Set to false to stop any alerts from appearing
property kasServerAlerts : true -- Set to false to stop warnings about missed servers
property kasFinder : "Finder" -- name of application to open RemoteLaunchers
property kasAppendage : " ->" -- Appended to file name if we can't use original

-- Internal/User setable globals
property kasLinkNeed : false
property kasLinkUserDft : "CasaVision" -- Our friend on all machines
property kasLinkPassDft : "" -- Our friend's password on all machines

global gasLinkSet -- Has the friend been looked up?
global gasLinkUser -- Used to connect (KeyChain Lookup)
global gasLinkPass

-- Internal globals
global gasOurZone -- Set to zone of gasOurAlias
global gasOurServer -- Set to server of gasOurAlias
global gasOurVol -- Name of volume alias resides on
global gasOurAlias -- The alias we own
global gasOurName -- Name of original alias


on open fsObjs
    set gasLinkSet to false

    repeat with fsObj in fsObjs
        OpenOne(fsObj)
    end repeat
end open


on OpenOne(fsObj)
    set aInfo to alias info from fsObj

    set gasOurZone to alias zone of aInfo
    set gasOurServer to alias server of aInfo
    set gasOurVol to alias volume of aInfo
    GetFriend(false)

    RemoteOpen(fsObj)
end OpenOne


on RemoteOpen(fileAlias)
    talk as user gasLinkUser ¬
        with password gasLinkPass ¬
        on server gasOurServer ¬
        in AppleTalk zone gasOurZone

    try
        -- Don't wait for a response, assume the aliases are correct
        tell application kasFinder of machine gasOurServer ¬
            of zone gasOurZone to open fileAlias
    on error err
        if (kasServerAlerts) then
            ShowConnectAlert(kasFinder, err)
        else
            beep
        end if
    end try
end RemoteOpen


on GetFriend(override) -- Should later use some modifier key to override?!?
    GetOneFriend(override)
end GetFriend


on GetOneFriend(override)
    set isLink to true -- Only linking in this script!
    set userMode to "linking"
    set passButtons to {"Cancel", "OK"}
    set passButton to 2

    if (gasLinkSet) then
        set defUser to gasLinkUser
        set defPass to gasLinkPass
    else
        set defUser to kasLinkUserDft
        set defPass to kasLinkPassDft
    end if

    set usrPwd to KeyChainLookUp(gasOurZone, gasOurServer, isLink)

    if (override or usrPwd is {}) then
        set chosen to display dialog ¬
            "Enter the friendly " & userMode & ¬
            " user's name…" default answer defUser ¬
            default button 2 with icon note

        if (the button returned of chosen is "OK") then
            set defUser to the text returned of chosen
        else
            return
        end if

        set chosen to display dialog ¬
            "Enter the friendly " & userMode & ¬
            " user's password…" buttons passButtons ¬
            default answer defPass default button passButton with icon note

        if (the button returned of chosen is not "Cancel") then
            set defPass to the text returned of chosen
        else
            return
        end if

        -- Save encrypted user/pass for future access
        KeyChainSave(gasOurZone, gasOurServer, isLink, defUser, defPass, "")
    else
        set defUser to item 1 of usrPwd
        set defPass to item 2 of usrPwd
    end if

    set gasLinkSet to true
    set gasLinkUser to defUser
    set gasLinkPass to defPass
end GetOneFriend


on PutAwayVol(volName)
    -- Volume
    try
        tell application "Finder" to put away item named volName
    on error
        beep
    end try
end PutAwayVol


on IsVolMounted(volName)
    -- Volume
    try
        set x to (volName & ":") as alias
        return true
    on error
        return false
    end try
end IsVolMounted


on ShowMountAlert()
    ShowServerAlert("Couldn't mount volume " & gasOurVol & ¬
        " from " & gasOurServer ¬
        & " in zone " & gasOurZone)
end ShowMountAlert


on ShowConnectAlert(appName, msg)
    ShowServerAlert("Couldn't connect to " & appName & " on " & ¬
        gasOurServer & " in zone " & gasOurZone & return & return & ¬
        "(" & msg & ")")
end ShowConnectAlert


on ShowServerAlert(msg)
    set choice to ¬
        display dialog msg buttons {"Reenter Password", "OK"} ¬
            default button 2 with icon stop

    if (button returned of choice is not "OK") then GetFriend(true)
end ShowServerAlert


property kasKeyChainPassword : "PowerScript" -- Encrypt stored data with this
property kasPrefsFileName : "PowerScript Prefs" -- File name in <Preferences>

on KeyChainLookUp(zoneName, serverName, isLinking)
    set prefOwner to "πSRV"
    if (isLinking) then set prefOwner to "πLNK"

    try
        set myKeyData to load preference named (zoneName & ":" & serverName) ¬
            of type prefOwner in file named kasPrefsFileName
    on error
        return {}
    end try

    return (encrypt the data myKeyData with password kasKeyChainPassword)
end KeyChainLookUp


on KeyChainSave(zoneName, serverName, isLinking, usr, pwd, ntPwd)
    set myKey to encrypt the data {usr, pwd, ntPwd} with password kasKeyChainPassword

    set prefOwner to "πSRV"
    if (isLinking) then set prefOwner to "πLNK"

    save preference myKey named (zoneName & ":" & serverName) ¬
        of type prefOwner ¬
        in file named kasPrefsFileName
end KeyChainSave