feat(user/bk-gpg-ver-sigs):Add script to verify many gpg sig files

- chore(unitproc/bktemp-yellDieTry):Rename bktemp-yellDieMust per
  monking's naming convention.

diff --git a/unitproc/bktemp-yellDieTry b/unitproc/bktemp-yellDieMust
similarity index 63%
rename from unitproc/bktemp-yellDieTry
rename to unitproc/bktemp-yellDieMust
index fafa168b6803bca3acdc66919eed97f392d08c7e..5d604ba02c92a3c29fe9ba92bb2be54e0a6a7a99 100644 (file)
--- a/unitproc/bktemp-yellDieTry
+++ b/unitproc/bktemp-yellDieMust
@@ -1,10 +1,10 @@
 #!/bin/bash
-# Desc: Defines bash functions yell(), die(), and try(), which are useful for
+# Desc: Defines bash functions yell(), die(), and must(), which are useful for
 #   indicating where in a script an error occurs.
 # Note: All three functions should be added together if used at all.
 # Ref/Attrib: [1] Yell, Die, Try Three-Fingered Claw technique https://stackoverflow.com/a/25515370
 # Depends: GNU Coreutils 8.30
-# Version 0.1.1
+# Version 1.0.0
 
 #==BEGIN Define script parameters==
 #==END Define script parameters==
@@ -12,12 +12,12 @@
 #===BEGIN Declare local script functions===
 yell() { echo "$0: $*" >&2; } # print script path and all args to stderr
 die() { yell "$*"; exit 111; } # same as yell() but non-zero exit status
-try() { "$@" || die "cannot $*"; } # runs args as command, reports args if command fails
+must() { "$@" || die "cannot $*"; } # runs args as command, reports args if command fails
 #===END Declare local script functions===
 
 #==BEGIN sample code==
 yell "This message should appear in stderr.";
-try echo "This message should appear in stdout.";
-try eeeecho "This message should appear in an error message in stderr.";
-yell "This message should not appear because \"try eeeecho\" failed.";
+must echo "This message should appear in stdout.";
+must eeeecho "This message should appear in an error message in stderr.";
+yell "This message should not appear because \"must eeeecho\" failed.";
 #==END sample code==

diff --git a/user/bk-gpg-ver-sigs b/user/bk-gpg-ver-sigs
new file mode 100755 (executable)
index 0000000..ab1bda8
--- /dev/null
+++ b/user/bk-gpg-ver-sigs
@@ -0,0 +1,206 @@
+#!/usr/bin/env bash
+# Desc: Runs gpg --verify on all .asc, .gpg, and .sig files in specified directory.
+# Version: 0.0.1
+# Depends: GNU parallel 20210822
+# Assumes: File names do not contain newlines.
+
+declare -Ag appRollCall # Associative array for storing app status
+declare -Ag fileRollCall # Associative array for storing file status
+declare -Ag dirRollCall # Associative array for storing dir status
+find_pat_regex=".+\(sig\|asc\|gpg\)$";
+find_depth="10";
+
+yell() { echo "$0: $*" >&2; } # print script path and all args to stderr
+die() { yell "$*"; exit 111; } # same as yell() but non-zero exit status
+must() { "$@" || die "cannot $*"; } # runs args as command, reports args if command fails
+checkapp() {
+    # Desc: If arg is a command, save result in assoc array 'appRollCall'
+    # Usage: checkapp arg1 arg2 arg3 ...
+    # Version: 0.1.1
+    # Input: global assoc. array 'appRollCall'
+    # Output: adds/updates key(value) to global assoc array 'appRollCall'
+    # Depends: bash 5.0.3
+    local returnState    
+
+    #===Process Args===
+    for arg in "$@"; do
+       if command -v "$arg" 1>/dev/null 2>&1; then # Check if arg is a valid command
+           appRollCall[$arg]="true";
+           if ! [ "$returnState" = "false" ]; then returnState="true"; fi;
+       else
+           appRollCall[$arg]="false"; returnState="false";
+       fi;
+    done;
+
+    #===Determine function return code===
+    if [ "$returnState" = "true" ]; then
+       return 0;
+    else
+       return 1;
+    fi;
+} # Check that app exists
+checkfile() {
+    # Desc: If arg is a file path, save result in assoc array 'fileRollCall'
+    # Usage: checkfile arg1 arg2 arg3 ...
+    # Version: 0.1.2
+    # Input: global assoc. array 'fileRollCall'
+    # Output: adds/updates key(value) to global assoc array 'fileRollCall';
+    # Output: returns 0 if app found, 1 otherwise
+    # Depends: bash 5.0.3
+    local returnState
+
+    #===Process Args===
+    for arg in "$@"; do
+       if [ -f "$arg" ]; then
+           fileRollCall["$arg"]="true";
+           if ! [ "$returnState" = "false" ]; then returnState="true"; fi;
+        elif [ -z "$arg" ]; then
+            fileRollCall["(no name)"]="false"; returnState="false";
+       else
+           fileRollCall["$arg"]="false"; returnState="false";
+       fi;
+    done;
+    
+    #===Determine function return code===
+    if [ "$returnState" = "true" ]; then
+       return 0;
+    else
+       return 1;
+    fi;
+} # Check that file exists
+checkdir() {
+    # Desc: If arg is a dir path, save result in assoc array 'dirRollCall'
+    # Usage: checkdir arg1 arg2 arg3 ...
+    # Version 0.1.2
+    # Input: global assoc. array 'dirRollCall'
+    # Output: adds/updates key(value) to global assoc array 'dirRollCall';
+    # Output: returns 0 if all args are dirs; 1 otherwise
+    # Depends: Bash 5.0.3
+    local returnState
+
+    #===Process Args===
+    for arg in "$@"; do
+       if [ -z "$arg" ]; then
+           dirRollCall["(Unspecified Dirname(s))"]="false"; returnState="false";
+       elif [ -d "$arg" ]; then
+           dirRollCall["$arg"]="true";
+           if ! [ "$returnState" = "false" ]; then returnState="true"; fi
+       else
+           dirRollCall["$arg"]="false"; returnState="false";
+       fi
+    done
+    
+    #===Determine function return code===
+    if [ "$returnState" = "true" ]; then
+       return 0;
+    else
+       return 1;
+    fi
+} # Check that dir exists
+displayMissing() {
+    # Desc: Displays missing apps, files, and dirs
+    # Usage: displayMissing
+    # Version 1.0.0
+    # Input: associative arrays: appRollCall, fileRollCall, dirRollCall
+    # Output: stderr: messages indicating missing apps, file, or dirs
+    # Output: returns exit code 0 if nothing missing; 1 otherwise
+    # Depends: bash 5, checkAppFileDir()
+    local missingApps value appMissing missingFiles fileMissing
+    local missingDirs dirMissing
+
+    #==BEGIN Display errors==
+    #===BEGIN Display Missing Apps===
+    missingApps="Missing apps  :";
+    #for key in "${!appRollCall[@]}"; do echo "DEBUG:$key => ${appRollCall[$key]}"; done
+    for key in "${!appRollCall[@]}"; do
+       value="${appRollCall[$key]}";
+       if [ "$value" = "false" ]; then
+           #echo "DEBUG:Missing apps: $key => $value";
+           missingApps="$missingApps""$key ";
+           appMissing="true";
+       fi;
+    done;
+    if [ "$appMissing" = "true" ]; then  # Only indicate if an app is missing.
+       echo "$missingApps" 1>&2;
+    fi;
+    unset value;
+    #===END Display Missing Apps===
+
+    #===BEGIN Display Missing Files===
+    missingFiles="Missing files:";
+    #for key in "${!fileRollCall[@]}"; do echo "DEBUG:$key => ${fileRollCall[$key]}"; done
+    for key in "${!fileRollCall[@]}"; do
+       value="${fileRollCall[$key]}";
+       if [ "$value" = "false" ]; then
+           #echo "DEBUG:Missing files: $key => $value";
+           missingFiles="$missingFiles""$key ";
+           fileMissing="true";
+       fi;
+    done;
+    if [ "$fileMissing" = "true" ]; then  # Only indicate if an app is missing.
+       echo "$missingFiles" 1>&2;
+    fi;
+    unset value;
+    #===END Display Missing Files===
+
+    #===BEGIN Display Missing Directories===
+    missingDirs="Missing dirs:";
+    #for key in "${!dirRollCall[@]}"; do echo "DEBUG:$key => ${dirRollCall[$key]}"; done
+    for key in "${!dirRollCall[@]}"; do
+       value="${dirRollCall[$key]}";
+       if [ "$value" = "false" ]; then
+           #echo "DEBUG:Missing dirs: $key => $value";
+           missingDirs="$missingDirs""$key ";
+           dirMissing="true";
+       fi;
+    done;
+    if [ "$dirMissing" = "true" ]; then  # Only indicate if an dir is missing.
+       echo "$missingDirs" 1>&2;
+    fi;
+    unset value;
+    #===END Display Missing Directories===
+
+    #==END Display errors==
+    #==BEGIN Determine function return code===
+    if [ "$appMissing" == "true" ] || [ "$fileMissing" == "true" ] || [ "$dirMissing" == "true" ]; then
+       return 1;
+    else
+       return 0;
+    fi
+    #==END Determine function return code===
+} # Display missing apps, files, dirs
+verify_file() {
+    # input: arg1: file path
+    path_in="$1"
+
+    # Verify sig file
+    if gpg --verify "$path_in" 1>&2 2>/dev/random; then
+        printf "STATUS:Good sig for:%s\n" "$path_in";
+    else
+        printf "STATUS:Bad sig for :%s\n" "$path_in";
+    fi;
+}; # verfiies one gpg file
+main() {
+    # Check args
+    ## Note: Assume a single arg that is a dir
+    if [[ ! $# -eq 1 ]]; then die "FATAL:Incorrect number of args (must be 1):$#"; fi;
+    if [[ ! -d "$1" ]]; then die "FATAL:Not a dir:$1"; fi;
+    
+    # Check apps
+    if ! checkapp find gpg parallel; then displayMissing; printf "FATAL:Missing apps."; exit 1; fi;
+
+    # Export bash functions (for GNU parallel)
+    export -f yell die must verify_file;
+
+    # Generate file list
+    list_paths="$( find "$1" -maxdepth "$find_depth" -type f -iregex "$find_pat_regex" )";
+
+    # Verify files
+    echo "$list_paths" | parallel --group verify_file '{}';
+};  # main program
+
+main "$@";
+
+exit 0;
+
+#    find "$1" -maxdepth "$find_depth" -type f -iregex "find_pat_regex" | parallel if gpg --verify '{}' 2>/dev/random \; then echo "STATUS:Good sig:" '{}' \; else echo "STATUS:Bad sig :" '{}' \; fi\;