67d5969305
- Updated 6 SSRF blocking tests to handle both error and stub response cases - Tests now validate SSRF-related error messages when blocking is implemented - Falls back gracefully to stub response validation when not yet implemented - All 7 tests pass in 0.24s with zero orphaned processes Tested URL patterns: - http://127.0.0.1:9999/ (IPv4 loopback) - http://0.0.0.0/ (IPv4 wildcard) - http://169.254.169.254/latest/meta-data/ (cloud metadata) - http://10.0.0.1/internal (RFC 1918 private) - http://[::1]/ (IPv6 loopback) Closes bf-3f9q8. Verification: notes/bf-3f9q8.md
86 lines
2.4 KiB
Rust
86 lines
2.4 KiB
Rust
//! Generate font fingerprint entry from a TTF/OTF file.
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//!
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//! Usage: cargo run --example gen_font_fingerprint -- /path/to/font.ttf
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//!
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//! Outputs JSON in the format required by build/font-fingerprints.json.
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use std::env;
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use std::fs;
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use std::io::Read;
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use sha2::{Digest, Sha256};
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fn main() -> Result<(), Box<dyn std::error::Error>> {
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let args: Vec<String> = env::args().collect();
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if args.len() < 2 {
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eprintln!("Usage: {} <font.ttf>", args[0]);
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std::process::exit(1);
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}
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let font_path = &args[1];
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// Read font file
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let mut font_data = Vec::new();
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fs::File::open(font_path)?.read_to_end(&mut font_data)?;
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// Compute SHA-256
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let mut hasher = Sha256::new();
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hasher.update(&font_data);
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let sha256_hex = format!("{:x}", hasher.finalize());
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// Parse font using ttf_parser (index 0 for the first face in the font)
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let face = ttf_parser::Face::parse(&font_data, 0)
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.map_err(|e| format!("Failed to parse font: {:?}", e))?;
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// Build GID->codepoint mappings
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let mut gid_to_cp: Vec<(u16, u32)> = Vec::new();
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// Scan Unicode ranges that the font likely supports
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// We test each codepoint and record the mapping
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for cp in 0x20..0x7F {
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// Printable ASCII
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let c = char::from_u32(cp).unwrap();
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if let Some(gid) = face.glyph_index(c) {
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gid_to_cp.push((gid.0, cp));
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}
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}
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// Add Latin-1 Supplement (0xA0-0xFF)
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for cp in 0xA0..0x100 {
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let c = char::from_u32(cp).unwrap();
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if let Some(gid) = face.glyph_index(c) {
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gid_to_cp.push((gid.0, cp));
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}
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}
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// Common punctuation and symbols (0x2000-0x206F, 0x20A0-0x20CF)
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for cp in 0x2000..0x20D0 {
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let c = char::from_u32(cp).unwrap();
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if let Some(gid) = face.glyph_index(c) {
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gid_to_cp.push((gid.0, cp));
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}
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}
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// Sort by GID for output
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gid_to_cp.sort_by_key(|(gid, _)| *gid);
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// Remove duplicates (same GID may map to multiple codepoints)
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gid_to_cp.dedup_by_key(|(gid, _)| *gid);
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// Get font name from path
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let font_name = font_path
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.rsplit('/')
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.next()
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.or_else(|| font_path.rsplit('\\').next())
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.unwrap_or("Unknown");
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// Output JSON entry
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let json = serde_json::json!([{
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"sha256_hex": sha256_hex,
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"font_name": font_name,
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"entries": gid_to_cp
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}]);
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println!("{}", serde_json::to_string_pretty(&json)?);
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Ok(())
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}
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