85 lines
2.8 KiB
Text
85 lines
2.8 KiB
Text
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# Script compression utilities for secure transmission
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# Compresses template path, variables, and script as a complete auditable unit
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# Compress complete workflow data (template + vars + script)
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export def compress-workflow [template_path: string, template_vars: record, script: string]: nothing -> record {
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# Create temporary directory
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let timestamp_hash = ((date now | format date "%Y%m%d_%H%M%S") | hash sha256 | str substring 0..8)
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let temp_dir = $"/tmp/workflow_($timestamp_hash)"
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^mkdir -p $temp_dir
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# 1. Compress template_vars (JSON)
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let vars_file = ($temp_dir + "/vars.json")
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let vars_json = ($template_vars | to json)
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$vars_json | save -f $vars_file
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let vars_original_size = ($vars_json | str length)
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# 2. Compress script
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let script_file = ($temp_dir + "/script.sh")
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$script | save -f $script_file
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let script_original_size = ($script | str length)
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# 3. Create manifest with template_path
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let manifest_file = ($temp_dir + "/manifest.json")
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{
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template_path: $template_path
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timestamp: ((date now) | format date "%Y-%m-%d %H:%M:%S UTC")
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} | to json | save -f $manifest_file
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# 4. Combine all into single archive
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let total_original = ($vars_original_size + $script_original_size)
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let archive_file = ($temp_dir + "/workflow.tar.gz")
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^tar -czf $archive_file -C $temp_dir manifest.json vars.json script.sh
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# 5. Encode to base64
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let tar_content = (open -r $archive_file)
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let compressed_data = ($tar_content | ^base64)
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# Get compressed size using base64 encoded output (approximation)
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let compressed_size = ($compressed_data | str length)
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# Calculate ratio
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let compression_ratio = ($compressed_size / $total_original)
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# Cleanup
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^rm -rf $temp_dir
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{
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template_path: $template_path
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script_compressed: $compressed_data
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script_encoding: "tar+gzip+base64"
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original_size: $total_original
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compressed_size: $compressed_size
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compression_ratio: $compression_ratio
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}
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}
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# Decompress workflow (for verification/testing)
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export def decompress-workflow [script_compressed: string]: nothing -> record {
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let timestamp_hash = ((date now | format date "%Y%m%d_%H%M%S") | hash sha256 | str substring 0..8)
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let temp_dir = $"/tmp/workflow_decompress_($timestamp_hash)"
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^mkdir -p $temp_dir
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# Decode from base64
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let decoded = (echo $script_compressed | ^base64 -d)
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# Extract tar.gz
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echo $decoded | ^tar -xzf - -C $temp_dir
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# Read files
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let manifest = (open ($temp_dir + "/manifest.json"))
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let vars = (open ($temp_dir + "/vars.json"))
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let script = (open -r ($temp_dir + "/script.sh"))
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# Cleanup
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^rm -rf $temp_dir
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{
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template_path: $manifest.template_path
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template_vars: $vars
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script: $script
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timestamp: $manifest.timestamp
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}
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}
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