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Downloads and installs the latest available Zoom Client for Mac software directly on the client. This avoids having to manually download and store an up-to-date installer on a distribution server. Includes an optional checksum for added security.
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| #!/bin/zsh | |
| :<<'ABOUT_THIS_SCRIPT' | |
| ----------------------------------------------------------------------- | |
| Written by:William Smith | |
| Professional Services Engineer | |
| Jamf | |
| bill@talkingmoose.net | |
| https://gist.github.com/talkingmoose/5336e69480d87014a4c2ea1d6ec0ea4e | |
| Originally posted: March 21, 2020 | |
| Purpose: Downloads and installs the latest available Zoome Client | |
| for Mac directly on the client. This avoids having to manually | |
| download and store an up-to-date installer on a distribution server | |
| every month. | |
| Instructions: Optionally update the sha256Checksum value with a | |
| known SHA 256 string. Run the script with elevated privileges. | |
| If using Jamf Pro, consider replacing the sha256Checksum value | |
| with "$4", entering the checksum as script parameter in a policy. | |
| Except where otherwise noted, this work is licensed under | |
| http://creativecommons.org/licenses/by/4.0/ | |
| "Do not obey in advance." | |
| ----------------------------------------------------------------------- | |
| ABOUT_THIS_SCRIPT | |
| # enter the SHA 256 checksum for the download file | |
| # download the package and run '/usr/bin/shasum -a 256 /path/to/file.pkg' | |
| # this will change with each version | |
| # leave blank to to skip the checksum verification (less secure) or if using a $4 script parameter with Jamf Pro | |
| sha256Checksum="" # e.g. "67b1e8e036c575782b1c9188dd48fa94d9eabcb81947c8632fd4acac7b01644b" | |
| if [ "$4" != "" ] && [ "$sha256Checksum" = "" ] | |
| then | |
| sha256Checksum=$4 | |
| fi | |
| # temporary file name for downloaded package | |
| pkgFile="Zoom.us.pkg" | |
| # process name of running app (check first to avoid installing while running) | |
| appProcess="zoom.us" | |
| # this is the full download URL to the latest version of the product | |
| # https://support.zoom.us/hc/en-us/articles/115001799006-Mass-Deployment-with-Preconfigured-Settings-for-Mac | |
| url="https://zoom.us/client/latest/ZoomInstallerIT.pkg" | |
| # check for running process first | |
| echo "Checking for process '$appProcess'" | |
| if [[ $( /usr/bin/pgrep "$appProcess" ) = "" ]]; then | |
| echo "Verified '$appProcess' process is not running" | |
| else | |
| echo "Application is running. Aborting installation." | |
| exit 1 | |
| fi | |
| # create temporary working directory | |
| echo "Creating working directory '$tempDirectory'" | |
| workDirectory=$( /usr/bin/basename $0 ) | |
| tempDirectory=$( /usr/bin/mktemp -d "/private/tmp/$workDirectory.XXXXXX" ) | |
| # change directory to temporary working directory | |
| echo "Changing directory to working directory '$tempDirectory'" | |
| cd "$tempDirectory" | |
| # download the installer package | |
| echo "Downloading package $pkgFile" | |
| /usr/bin/curl "$url" \ | |
| --location \ | |
| --silent \ | |
| --output "$pkgFile" | |
| # checksum the download | |
| downloadChecksum=$( /usr/bin/shasum -a 256 "$tempDirectory/$pkgFile" | /usr/bin/awk '{ print $1 }' ) | |
| echo "Checksum for downloaded package: $downloadChecksum" | |
| # install the package if checksum validates | |
| if [ "$sha256Checksum" = "$downloadChecksum" ] || [ "$sha256Checksum" = "" ]; then | |
| echo "Checksum verified. Installing package $pkgFile" | |
| /usr/sbin/installer -pkg "$pkgFile" -target / | |
| exitCode=0 | |
| else | |
| echo "Checksum failed. Recalculate the SHA 256 checksum and try again. Or download may not be valid." | |
| exitCode=1 | |
| fi | |
| # remove the temporary working directory when done | |
| /bin/rm -Rf "$tempDirectory" | |
| echo "Deleting working directory '$tempDirectory' and its contents" | |
| exit $exitCode |
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