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https://github.com/RGBCube/serenity
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Streams: Distinguish recoverable and fatal errors.
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parent
daeb2bdc60
commit
9ce4475907
9 changed files with 75 additions and 59 deletions
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@ -204,7 +204,7 @@ size_t DeflateDecompressor::read(Bytes bytes)
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m_input_stream >> length >> negated_length;
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if ((length ^ 0xffff) != negated_length) {
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m_error = true;
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set_fatal_error();
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return 0;
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}
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@ -273,7 +273,7 @@ size_t DeflateDecompressor::read(Bytes bytes)
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bool DeflateDecompressor::read_or_error(Bytes bytes)
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{
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if (read(bytes) < bytes.size()) {
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m_error = true;
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set_fatal_error();
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return false;
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}
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@ -287,7 +287,7 @@ bool DeflateDecompressor::discard_or_error(size_t count)
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size_t ndiscarded = 0;
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while (ndiscarded < count) {
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if (eof()) {
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m_error = true;
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set_fatal_error();
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return false;
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}
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@ -371,7 +371,7 @@ void DeflateDecompressor::decode_codes(CanonicalCode& literal_code, Optional<Can
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auto code_length_code_result = CanonicalCode::from_bytes({ code_lengths_code_lengths, sizeof(code_lengths_code_lengths) });
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if (!code_length_code_result.has_value()) {
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m_error = true;
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set_fatal_error();
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return;
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}
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const auto code_length_code = code_length_code_result.value();
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@ -399,7 +399,7 @@ void DeflateDecompressor::decode_codes(CanonicalCode& literal_code, Optional<Can
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ASSERT(symbol == 16);
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if (code_lengths.is_empty()) {
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m_error = true;
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set_fatal_error();
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return;
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}
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@ -410,7 +410,7 @@ void DeflateDecompressor::decode_codes(CanonicalCode& literal_code, Optional<Can
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}
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if (code_lengths.size() != literal_code_count + distance_code_count) {
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m_error = true;
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set_fatal_error();
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return;
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}
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@ -418,7 +418,7 @@ void DeflateDecompressor::decode_codes(CanonicalCode& literal_code, Optional<Can
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auto literal_code_result = CanonicalCode::from_bytes(code_lengths.span().trim(literal_code_count));
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if (!literal_code_result.has_value()) {
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m_error = true;
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set_fatal_error();
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return;
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}
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literal_code = literal_code_result.value();
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@ -431,14 +431,14 @@ void DeflateDecompressor::decode_codes(CanonicalCode& literal_code, Optional<Can
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if (length == 0) {
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return;
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} else if (length != 1) {
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m_error = true;
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set_fatal_error();
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return;
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}
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}
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auto distance_code_result = CanonicalCode::from_bytes(code_lengths.span().slice(literal_code_count));
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if (!distance_code_result.has_value()) {
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m_error = true;
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set_fatal_error();
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return;
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}
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distance_code = distance_code_result.value();
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@ -77,12 +77,12 @@ size_t GzipDecompressor::read(Bytes bytes)
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m_input_stream >> crc32 >> input_size;
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if (crc32 != current_member().m_checksum.digest()) {
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m_error = true;
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set_fatal_error();
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return 0;
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}
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if (input_size != current_member().m_nread) {
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m_error = true;
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set_fatal_error();
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return 0;
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}
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@ -101,7 +101,7 @@ size_t GzipDecompressor::read(Bytes bytes)
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m_input_stream >> Bytes { &header, sizeof(header) };
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if (!header.valid_magic_number() || !header.supported_by_implementation()) {
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m_error = true;
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set_fatal_error();
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return 0;
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}
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@ -129,7 +129,7 @@ size_t GzipDecompressor::read(Bytes bytes)
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bool GzipDecompressor::read_or_error(Bytes bytes)
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{
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if (read(bytes) < bytes.size()) {
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m_error = true;
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set_fatal_error();
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return false;
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}
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@ -143,7 +143,7 @@ bool GzipDecompressor::discard_or_error(size_t count)
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size_t ndiscarded = 0;
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while (ndiscarded < count) {
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if (eof()) {
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m_error = true;
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set_fatal_error();
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return false;
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}
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