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Turn "dirty hack" into slightly less dirty hack, with potential to become non-dirty

This commit is contained in:
Jethro Beekman 2015-06-30 17:27:44 -07:00
parent 14a2f5c5e9
commit c4e398d397
1 changed files with 10 additions and 18 deletions
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22
openssl/src/x509/mod.rs
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@ -103,23 +103,15 @@ impl X509StoreContext {
pub use self::extension::KeyUsageOption as KeyUsage;
pub use self::extension::ExtKeyUsageOption as ExtKeyUsage;
// FIXME: a dirty hack as there is no way to
// implement ToString for Vec as both are defined
// in another crate
#[doc(hidden)]
trait ToStr {
fn to_str(&self) -> String;
}
impl<T: ToString> ToStr for Vec<T> {
fn to_str(&self) -> String {
self.iter().enumerate().fold(String::new(), |mut acc, (idx, v)| {
if idx > 0 { acc.push(',') };
// FIXME: This would be nicer as a method on Iterator<Item=ToString>. This can
// eventually be replaced by the successor to std::slice::SliceConcatExt.connect
fn join<I: Iterator<Item=T>,T: ToString>(iter: I, sep: &str) -> String {
iter.enumerate().fold(String::new(), |mut acc, (idx, v)| {
if idx > 0 { acc.push_str(sep) };
acc.push_str(&v.to_string());
acc
})
}
}
#[allow(non_snake_case)]
/// Generator of private key/certificate pairs
@ -314,12 +306,12 @@ impl X509Generator {
if self.key_usage.len() > 0 {
try!(X509Generator::add_extension(x509.handle, ffi::NID_key_usage,
&self.key_usage.to_str()));
&join(self.key_usage.iter(),",")));
}
if self.ext_key_usage.len() > 0 {
try!(X509Generator::add_extension(x509.handle, ffi::NID_ext_key_usage,
&self.ext_key_usage.to_str()));
&join(self.ext_key_usage.iter(),",")));
}
let hash_fn = self.hash_type.evp_md();