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global-functions: $ScriptInstallUpdate: get and compare checksums

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The file 'checksums.json' is generated when deploying to my web
server... This should speed up the update a lot as it reduces downloads
to a minimum. 🎉😁
This commit is contained in:
Christian Hesse 2025-03-05 00:18:43 +01:00
parent 3ccaafd1b3
commit 0c1d96f89d
1 changed files with 13 additions and 0 deletions
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13
global-functions.rsc
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@ -1150,6 +1150,14 @@
:local ReloadGlobalConfig false;
:local DeviceMode [ /system/device-mode/get ];
:local CheckSums ({});
:do {
:local Url ($ScriptUpdatesBaseUrl . "checksums.json" . $ScriptUpdatesUrlSuffix);
$LogPrint debug $0 ("Fetching checksums from url: " . $Url);
:set CheckSums [ :deserialize from=json ([ /tool/fetch check-certificate=yes-without-crl \
http-header-field=({ [ $FetchUserAgentStr $0 ] }) $Url output=user as-value ]->"data") ];
} on-error={ }
:foreach Script in=[ /system/script/find where source~"^#!rsc by RouterOS\r?\n" ] do={
:local ScriptVal [ /system/script/get $Script ];
:local ScriptInfo [ $ParseKeyValueStore ($ScriptVal->"comment") ];
@ -1169,6 +1177,11 @@
:error true;
}
:if ([ :convert transform=md5 to=hex ($ScriptVal->"source") ] = ($CheckSums->($ScriptVal->"name"))) do={
$LogPrint debug $0 ("Checksum for script '" . $ScriptVal->"name" . "' matches, ignoring.");
:error true;
}
:do {
:local BaseUrl [ $EitherOr ($ScriptInfo->"base-url") $ScriptUpdatesBaseUrl ];
:local UrlSuffix [ $EitherOr ($ScriptInfo->"url-suffix") $ScriptUpdatesUrlSuffix ];