added nautilus scripts (needs nautilus-python package)

.local/share/nautilus/scripts/Document PDF/PDF encrypt, decrypt/Decrypt (remove a password)

@@ -0,0 +1,38 @@
+#!/usr/bin/env bash
+
+# Source the script 'common-functions.sh'.
+SCRIPT_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd)
+ROOT_DIR=$(grep --only-matching "^.*scripts[^/]*" <<<"$SCRIPT_DIR")
+source "$ROOT_DIR/common-functions.sh"
+
+_main() {
+    local input_files=""
+    local output_dir=""
+
+    # Execute initial checks.
+    _check_dependencies "command=qpdf"
+    _display_wait_box "0"
+    input_files=$(_get_files "par_type=file; par_select_mime=application/pdf")
+    output_dir=$(_get_output_dir "par_use_same_dir=false")
+
+    TEMP_DATA_TASK=$(_display_password_box_define) || _exit_script
+
+    # Execute the function '_main_task' for each file in parallel.
+    _run_task_parallel "$input_files" "$output_dir"
+    _display_result_box "$output_dir"
+}
+
+_main_task() {
+    local input_file=$1
+    local output_dir=$2
+    local output_file=""
+    local std_output=""
+
+    # Run the main process.
+    output_file=$(_get_output_filename "$input_file" "$output_dir" "par_extension_opt=preserve")
+    # NOTE: Older 'qpdf' versions do not support ' -- ' in the command line.
+    std_output=$(qpdf --decrypt --password="$TEMP_DATA_TASK" "$input_file" "$output_file" 2>&1)
+    _check_output "$?" "$std_output" "$input_file" "$output_file" || return 1
+}
+
+_main "$@"

.local/share/nautilus/scripts/Document PDF/PDF encrypt, decrypt/Decrypt (remove a security)

@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+
+# Source the script 'common-functions.sh'.
+SCRIPT_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd)
+ROOT_DIR=$(grep --only-matching "^.*scripts[^/]*" <<<"$SCRIPT_DIR")
+source "$ROOT_DIR/common-functions.sh"
+
+_main() {
+    local input_files=""
+    local output_dir=""
+
+    # Execute initial checks.
+    _check_dependencies "command=qpdf"
+    _display_wait_box "2"
+    input_files=$(_get_files "par_type=file; par_select_mime=application/pdf")
+    output_dir=$(_get_output_dir "par_use_same_dir=false")
+
+    # Execute the function '_main_task' for each file in parallel.
+    _run_task_parallel "$input_files" "$output_dir"
+    _display_result_box "$output_dir"
+}
+
+_main_task() {
+    local input_file=$1
+    local output_dir=$2
+    local output_file=""
+    local std_output=""
+
+    # Run the main process.
+    output_file=$(_get_output_filename "$input_file" "$output_dir" "par_extension_opt=preserve")
+    # NOTE: Older 'qpdf' versions do not support ' -- ' in the command line.
+    std_output=$(qpdf --decrypt "$input_file" "$output_file" 2>&1)
+    _check_output "$?" "$std_output" "$input_file" "$output_file" || return 1
+}
+
+_main "$@"

.local/share/nautilus/scripts/Document PDF/PDF encrypt, decrypt/Encrypt (set a password)

@@ -0,0 +1,37 @@
+#!/usr/bin/env bash
+
+# Source the script 'common-functions.sh'.
+SCRIPT_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd)
+ROOT_DIR=$(grep --only-matching "^.*scripts[^/]*" <<<"$SCRIPT_DIR")
+source "$ROOT_DIR/common-functions.sh"
+
+_main() {
+    local input_files=""
+    local output_dir=""
+
+    # Execute initial checks.
+    _check_dependencies "command=qpdf"
+    _display_wait_box "0"
+    input_files=$(_get_files "par_type=file; par_select_mime=application/pdf")
+    output_dir=$(_get_output_dir "par_use_same_dir=false")
+
+    TEMP_DATA_TASK=$(_display_password_box_define) || _exit_script
+
+    # Execute the function '_main_task' for each file in parallel.
+    _run_task_parallel "$input_files" "$output_dir"
+    _display_result_box "$output_dir"
+}
+
+_main_task() {
+    local input_file=$1
+    local output_dir=$2
+    local output_file=""
+    local std_output=""
+
+    # Run the main process.
+    output_file=$(_get_output_filename "$input_file" "$output_dir" "par_extension_opt=preserve")
+    std_output=$(qpdf --encrypt "$TEMP_DATA_TASK" "$TEMP_DATA_TASK" 256 -- "$input_file" "$output_file" 2>&1)
+    _check_output "$?" "$std_output" "$input_file" "$output_file" || return 1
+}
+
+_main "$@"

.local/share/nautilus/scripts/Document PDF/PDF encrypt, decrypt/List encrypted PDFs

@@ -0,0 +1,49 @@
+#!/usr/bin/env bash
+
+# Source the script 'common-functions.sh'.
+SCRIPT_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd)
+ROOT_DIR=$(grep --only-matching "^.*scripts[^/]*" <<<"$SCRIPT_DIR")
+source "$ROOT_DIR/common-functions.sh"
+
+_main() {
+    local input_files=""
+
+    # Execute initial checks.
+    _check_dependencies "
+        command=pdfinfo; pkg_manager=apt; package=poppler-utils |
+        command=pdfinfo; pkg_manager=dnf; package=poppler-utils |
+        command=pdfinfo; pkg_manager=pacman; package=poppler |
+        command=pdfinfo; pkg_manager=zypper; package=poppler-tools"
+    _display_wait_box "2"
+    input_files=$(_get_files "par_type=file; par_recursive=true; par_get_pwd=true; par_select_mime=application/pdf")
+
+    # Execute the function '_main_task' for each file in parallel.
+    _run_task_parallel "$input_files" ""
+
+    local std_output=""
+    std_output=$(_storage_text_read_all)
+    std_output=$(_text_sort "$std_output")
+
+    _display_list_box "$std_output" "--column=Protection;--column=File"
+}
+
+_main_task() {
+    local input_file=$1
+    local output_dir=$2
+    local std_output=""
+
+    # Run the main process.
+    std_output=$(pdfinfo -- "$input_file" 2>&1)
+
+    # Save the result only for 'encrypted' PDFs.
+    if [[ "$std_output" == *"yes ("* ]]; then
+        std_output=$(grep --only-matching "(print.*)" <<<"$std_output")
+        # shellcheck disable=SC2001
+        std_output=$(sed "s|^(\(.*\))$|\1|g" <<<"$std_output")
+        _storage_text_write_ln "$std_output$FIELD_SEPARATOR$(_text_remove_pwd "$input_file")"
+    elif [[ "$std_output" == *"Incorrect password"* ]]; then
+        _storage_text_write_ln "password protection$FIELD_SEPARATOR$(_text_remove_pwd "$input_file")"
+    fi
+}
+
+_main "$@"