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22 lines
602 B
Rust
22 lines
602 B
Rust
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//! # PDF utilities
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//!
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//! @author Pierre Hubert
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use crate::data::error::{ExecError, ResultBoxError};
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/// Check out whether a PDF is a valid PDF or not, by trying to open it
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pub fn is_valid_pdf(file: &bytes::Bytes) -> ResultBoxError<bool> {
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let pdf = pdf::file::File::new(Vec::from(file.as_ref()));
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match pdf.get_num_pages() {
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Ok(num) if num < 1 =>
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Err(ExecError::boxed_string(format!("Detected a PDF with {} pages!", num))),
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Ok(_) => Ok(true),
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Err(e) => {
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println!("Error while parsing PDF: {}", e);
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Ok(false)
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}
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}
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}
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