Allow external usage of parsing functions for SPF, DMARC and DKIM str…

…ucts (#30)

* Make Spf struct more accesible

For using the Spf parser in other packages

* Make DKIM struct more accesible

For using the Spf parser in other packages

* Make Dmarc struct more accesible

For using the Spf parser in other packages

src/common/verify.rs

@@ -15,8 +15,8 @@ use crate::{dkim::Canonicalization, Error, IprevOutput, IprevResult, Resolver};
 use super::crypto::{Algorithm, VerifyingKey};
 
 pub struct DomainKey {
-    pub(crate) p: Box<dyn VerifyingKey + Send + Sync>,
-    pub(crate) f: u64,
+    pub p: Box<dyn VerifyingKey + Send + Sync>,
+    pub f: u64,
 }
 
 impl Resolver {

src/dkim/mod.rs

@@ -47,23 +47,23 @@ pub struct Done;
 
 #[derive(Debug, PartialEq, Eq, Clone, Default)]
 pub struct Signature {
-    pub(crate) v: u32,
-    pub(crate) a: Algorithm,
-    pub(crate) d: String,
-    pub(crate) s: String,
-    pub(crate) b: Vec<u8>,
-    pub(crate) bh: Vec<u8>,
-    pub(crate) h: Vec<String>,
-    pub(crate) z: Vec<String>,
-    pub(crate) i: String,
-    pub(crate) l: u64,
-    pub(crate) x: u64,
-    pub(crate) t: u64,
-    pub(crate) r: bool,                      // RFC 6651
-    pub(crate) atps: Option<String>,         // RFC 6541
-    pub(crate) atpsh: Option<HashAlgorithm>, // RFC 6541
-    pub(crate) ch: Canonicalization,
-    pub(crate) cb: Canonicalization,
+    pub v: u32,
+    pub a: Algorithm,
+    pub d: String,
+    pub s: String,
+    pub b: Vec<u8>,
+    pub bh: Vec<u8>,
+    pub h: Vec<String>,
+    pub z: Vec<String>,
+    pub i: String,
+    pub l: u64,
+    pub x: u64,
+    pub t: u64,
+    pub r: bool,                      // RFC 6651
+    pub atps: Option<String>,         // RFC 6541
+    pub atpsh: Option<HashAlgorithm>, // RFC 6541
+    pub ch: Canonicalization,
+    pub cb: Canonicalization,
 }
 
 #[derive(Debug, PartialEq, Eq, Clone)]

src/dmarc/mod.rs

@@ -19,20 +19,20 @@ pub mod verify;
 
 #[derive(Debug, Hash, Clone, PartialEq, Eq)]
 pub struct Dmarc {
-    pub(crate) v: Version,
-    pub(crate) adkim: Alignment,
-    pub(crate) aspf: Alignment,
-    pub(crate) fo: Report,
-    pub(crate) np: Policy,
-    pub(crate) p: Policy,
-    pub(crate) psd: Psd,
-    pub(crate) pct: u8,
-    pub(crate) rf: u8,
-    pub(crate) ri: u32,
-    pub(crate) rua: Vec<URI>,
-    pub(crate) ruf: Vec<URI>,
-    pub(crate) sp: Policy,
-    pub(crate) t: bool,
+    pub v: Version,
+    pub adkim: Alignment,
+    pub aspf: Alignment,
+    pub fo: Report,
+    pub np: Policy,
+    pub p: Policy,
+    pub psd: Psd,
+    pub pct: u8,
+    pub rf: u8,
+    pub ri: u32,
+    pub rua: Vec<URI>,
+    pub ruf: Vec<URI>,
+    pub sp: Policy,
+    pub t: bool,
 }
 
 #[derive(Debug, Hash, Clone, PartialEq, Eq, Serialize, Deserialize)]
@@ -43,13 +43,13 @@ pub struct URI {
 }
 
 #[derive(Debug, Hash, Clone, PartialEq, Eq)]
-pub(crate) enum Alignment {
+pub enum Alignment {
     Relaxed,
     Strict,
 }
 
 #[derive(Debug, Hash, Clone, PartialEq, Eq)]
-pub(crate) enum Psd {
+pub enum Psd {
     Yes,
     No,
     Default,

src/lib.rs

@@ -439,7 +439,7 @@ pub enum IprevResult {
 }
 
 #[derive(Debug, Hash, PartialEq, Eq, Clone)]
-pub(crate) enum Version {
+pub enum Version {
     V1,
 }
 

src/spf/mod.rs

@@ -27,7 +27,7 @@ use crate::{is_within_pct, SpfOutput, SpfResult, Version};
 */
 
 #[derive(Debug, PartialEq, Eq, Clone)]
-pub(crate) enum Qualifier {
+pub enum Qualifier {
     Pass,
     Fail,
     SoftFail,
@@ -39,7 +39,7 @@ pub(crate) enum Qualifier {
                       / a / mx / ptr / ip4 / ip6 / exists )
 */
 #[derive(Debug, PartialEq, Eq, Clone)]
-pub(crate) enum Mechanism {
+pub enum Mechanism {
     All,
     Include {
         macro_string: Macro,
@@ -74,9 +74,9 @@ pub(crate) enum Mechanism {
     directive        = [ qualifier ] mechanism
 */
 #[derive(Debug, PartialEq, Eq, Clone)]
-pub(crate) struct Directive {
-    pub(crate) qualifier: Qualifier,
-    pub(crate) mechanism: Mechanism,
+pub struct Directive {
+    pub qualifier: Qualifier,
+    pub mechanism: Mechanism,
 }
 
 /*
@@ -132,13 +132,13 @@ pub enum Macro {
 
 #[derive(Debug, PartialEq, Eq, Clone)]
 pub struct Spf {
-    version: Version,
-    directives: Vec<Directive>,
-    exp: Option<Macro>,
-    redirect: Option<Macro>,
-    ra: Option<Vec<u8>>,
-    rp: u8,
-    rr: u8,
+    pub version: Version,
+    pub directives: Vec<Directive>,
+    pub exp: Option<Macro>,
+    pub redirect: Option<Macro>,
+    pub ra: Option<Vec<u8>>,
+    pub rp: u8,
+    pub rr: u8,
 }
 
 pub(crate) const RR_TEMP_PERM_ERROR: u8 = 0x01;