use chrono::{self, offset::Utc, DateTime};
use crev_data::{
self,
proof::{self, review, trust::TrustLevel, CommonOps, Content},
Digest, Id, Level, Url, Version,
};
use default::default;
use log::debug;
use std::{
collections::{BTreeMap, BTreeSet, HashMap, HashSet},
sync,
};
mod trust_set;
pub use trust_set::*;
#[derive(thiserror::Error, Debug)]
pub enum Error {
#[error("Unknown proof type '{}'", _0)]
UnknownProofType(Box<str>),
#[error("{}", _0)]
Data(#[from] crev_data::Error),
}
type Result<T, E = Error> = std::result::Result<T, E>;
#[derive(Debug, Clone)]
pub enum FetchSource {
Url(sync::Arc<Url>),
LocalUser,
}
#[derive(Clone, Debug)]
pub struct Timestamped<T> {
pub date: chrono::DateTime<Utc>,
value: T,
}
impl<T> Timestamped<T> {
fn update_to_more_recent(&mut self, other: &Self)
where
T: Clone,
{
if self.date <= other.date {
self.date = other.date;
self.value = other.value.clone();
}
}
}
impl<T, Tz> From<(&DateTime<Tz>, T)> for Timestamped<T>
where
Tz: chrono::TimeZone,
{
fn from(from: (&DateTime<Tz>, T)) -> Self {
Timestamped {
date: from.0.with_timezone(&Utc),
value: from.1,
}
}
}
pub type Signature = String;
type TimestampedUrl = Timestamped<Url>;
type TimestampedTrustLevel = Timestamped<TrustLevel>;
type TimestampedReview = Timestamped<review::Review>;
type TimestampedSignature = Timestamped<Signature>;
type TimestampedDigest = Timestamped<proof::Digest>;
type TimestampedFlags = Timestamped<proof::Flags>;
impl From<proof::Trust> for TimestampedTrustLevel {
fn from(trust: proof::Trust) -> Self {
TimestampedTrustLevel {
date: trust.date_utc(),
value: trust.trust,
}
}
}
impl<'a, T: proof::WithReview + Content + CommonOps> From<&'a T> for TimestampedReview {
fn from(review: &T) -> Self {
TimestampedReview {
value: review.review().clone(),
date: review.date_utc(),
}
}
}
#[derive(Hash, Debug, Clone, PartialEq, Eq)]
pub struct PkgVersionReviewId {
from: Id,
package_version_id: proof::PackageVersionId,
}
impl From<review::Package> for PkgVersionReviewId {
fn from(review: review::Package) -> Self {
PkgVersionReviewId {
from: review.from().id.clone(),
package_version_id: review.package.id,
}
}
}
impl From<&review::Package> for PkgVersionReviewId {
fn from(review: &review::Package) -> Self {
PkgVersionReviewId {
from: review.from().id.clone(),
package_version_id: review.package.id.clone(),
}
}
}
#[derive(Hash, Debug, Clone, PartialEq, Eq)]
pub struct PkgReviewId {
from: Id,
package_id: proof::PackageId,
}
impl From<review::Package> for PkgReviewId {
fn from(review: review::Package) -> Self {
PkgReviewId {
from: review.from().id.clone(),
package_id: review.package.id.id,
}
}
}
impl From<&review::Package> for PkgReviewId {
fn from(review: &review::Package) -> Self {
PkgReviewId {
from: review.from().id.clone(),
package_id: review.package.id.id.clone(),
}
}
}
pub type Source = String;
pub type Name = String;
#[derive(Default)]
struct AlternativesData {
derived_recalculation_counter: usize,
for_pkg: HashMap<proof::PackageId, HashMap<Id, HashSet<proof::PackageId>>>,
reported_by: HashMap<(proof::PackageId, proof::PackageId), HashMap<Id, Signature>>,
}
impl AlternativesData {
fn new() -> Self {
Default::default()
}
fn wipe(&mut self) {
*self = Self::new();
}
fn record_from_proof(&mut self, review: &review::Package, signature: &Signature) {
for alternative in &review.alternatives {
let a = &review.package.id.id;
let b = alternative;
let id = &review.from().id;
self.for_pkg
.entry(a.clone())
.or_default()
.entry(id.clone())
.or_default()
.insert(b.clone());
self.for_pkg
.entry(b.clone())
.or_default()
.entry(id.clone())
.or_default()
.insert(a.clone());
self.reported_by
.entry((a.clone(), b.clone()))
.or_default()
.insert(id.clone(), signature.clone());
self.reported_by
.entry((b.clone(), a.clone()))
.or_default()
.insert(id.clone(), signature.clone());
}
}
}
pub type TimestampedTrustDetails = Timestamped<TrustDetails>;
#[derive(Debug, Clone)]
pub struct TrustDetails {
level: TrustLevel,
override_: HashSet<Id>,
}
pub struct ProofDB {
trust_id_to_id: HashMap<Id, HashMap<Id, TimestampedTrustDetails>>,
reverse_trust_id_to_id: HashMap<Id, HashMap<Id, TimestampedTrustLevel>>,
ids_to_trust_proof_signatures: HashMap<(Id, Id), TimestampedSignature>,
url_by_id_self_reported: HashMap<Id, (TimestampedUrl, bool)>,
url_by_id_reported_by_others: HashMap<Id, TimestampedUrl>,
package_review_by_signature: HashMap<Signature, review::Package>,
trust_proofs_by_signature: HashMap<Signature, proof::Trust>,
package_review_signatures_by_package_digest:
HashMap<Vec<u8>, HashMap<PkgVersionReviewId, TimestampedSignature>>,
package_review_signatures_by_pkg_review_id: HashMap<PkgVersionReviewId, TimestampedSignature>,
proof_digest_by_pkg_review_id: HashMap<PkgVersionReviewId, TimestampedDigest>,
package_reviews:
BTreeMap<Source, BTreeMap<Name, BTreeMap<Version, HashSet<PkgVersionReviewId>>>>,
package_flags: HashMap<proof::PackageId, HashMap<Id, TimestampedFlags>>,
from_id_to_package_reviews: HashMap<Id, HashSet<proof::PackageVersionId>>,
package_alternatives: HashMap<proof::PackageId, HashMap<Id, TimestampedSignature>>,
insertion_counter: usize,
derived_alternatives: sync::RwLock<AlternativesData>,
}
impl Default for ProofDB {
fn default() -> Self {
ProofDB {
trust_id_to_id: default(),
reverse_trust_id_to_id: default(),
ids_to_trust_proof_signatures: default(),
trust_proofs_by_signature: default(),
url_by_id_self_reported: default(),
url_by_id_reported_by_others: default(),
package_review_signatures_by_package_digest: default(),
package_review_signatures_by_pkg_review_id: default(),
proof_digest_by_pkg_review_id: default(),
package_review_by_signature: default(),
package_reviews: default(),
package_alternatives: default(),
package_flags: default(),
from_id_to_package_reviews: default(),
insertion_counter: 0,
derived_alternatives: sync::RwLock::new(AlternativesData::new()),
}
}
}
#[derive(Default, Debug)]
pub struct IssueDetails {
pub severity: Level,
pub issues: HashSet<PkgVersionReviewId>,
pub advisories: HashSet<PkgVersionReviewId>,
}
impl ProofDB {
#[must_use]
pub fn new() -> Self {
default()
}
fn get_derived_alternatives<'s>(&'s self) -> sync::RwLockReadGuard<'s, AlternativesData> {
{
let read = self.derived_alternatives.read().expect("lock to work");
if read.derived_recalculation_counter == self.insertion_counter {
return read;
}
}
{
let mut write = self.derived_alternatives.write().expect("lock to work");
write.wipe();
for alt in self.package_alternatives.values() {
for signature in alt.values() {
write.record_from_proof(
&self.package_review_by_signature[&signature.value],
&signature.value,
);
}
}
write.derived_recalculation_counter = self.insertion_counter;
}
self.derived_alternatives.read().expect("lock to work")
}
pub fn get_pkg_alternatives_by_author<'s, 'a>(
&'s self,
from: &'a Id,
pkg_id: &'a proof::PackageId,
) -> HashSet<proof::PackageId> {
let from = from.clone();
let alternatives = self.get_derived_alternatives();
alternatives
.for_pkg
.get(pkg_id)
.into_iter()
.filter_map(move |i| i.get(&from))
.flatten()
.cloned()
.collect()
}
pub fn get_pkg_alternatives<'s, 'a>(
&'s self,
pkg_id: &'a proof::PackageId,
) -> HashSet<(Id, proof::PackageId)> {
let alternatives = self.get_derived_alternatives();
alternatives
.for_pkg
.get(pkg_id)
.into_iter()
.flat_map(move |i| i.iter())
.flat_map(move |(id, pkg_ids)| pkg_ids.iter().map(move |v| (id.clone(), v.clone())))
.collect()
}
pub fn get_pkg_flags_by_author<'s, 'a>(
&'s self,
from: &'a Id,
pkg_id: &'a proof::PackageId,
) -> Option<&'s proof::Flags> {
let from = from.clone();
self.package_flags
.get(pkg_id)
.and_then(move |i| i.get(&from))
.map(move |timestampted| ×tampted.value)
}
pub fn get_pkg_flags<'s, 'a>(
&'s self,
pkg_id: &'a proof::PackageId,
) -> impl Iterator<Item = (&Id, &'s proof::Flags)> {
self.package_flags
.get(pkg_id)
.into_iter()
.flat_map(move |i| i.iter())
.map(|(id, flags)| (id, &flags.value))
}
pub fn get_pkg_reviews_for_source<'a, 'b>(
&'a self,
source: &'b str,
) -> impl Iterator<Item = &'a proof::review::Package> {
self.package_reviews
.get(source)
.into_iter()
.flat_map(move |map| map.iter())
.flat_map(move |(_, map)| map.iter())
.flat_map(|(_, v)| v)
.map(move |pkg_review_id| {
self.get_pkg_review_by_pkg_review_id(pkg_review_id)
.expect("exists")
})
}
pub fn get_pkg_reviews_for_name<'a, 'b, 'c: 'a>(
&'a self,
source: &'b str,
name: &'c str,
) -> impl Iterator<Item = &'a proof::review::Package> {
self.package_reviews
.get(source)
.into_iter()
.filter_map(move |map| map.get(name))
.flat_map(move |map| map.iter())
.flat_map(|(_, v)| v)
.map(move |pkg_review_id| {
self.get_pkg_review_by_pkg_review_id(pkg_review_id)
.expect("exists")
})
}
pub fn get_pkg_reviews_for_version<'a, 'b, 'c: 'a, 'd: 'a>(
&'a self,
source: &'b str,
name: &'c str,
version: &'d Version,
) -> impl Iterator<Item = &'a proof::review::Package> {
self.package_reviews
.get(source)
.into_iter()
.filter_map(move |map| map.get(name))
.filter_map(move |map| map.get(version))
.flatten()
.map(move |pkg_review_id| {
self.get_pkg_review_by_pkg_review_id(pkg_review_id)
.expect("exists")
})
}
pub fn get_pkg_reviews_gte_version<'a, 'b, 'c: 'a, 'd: 'a>(
&'a self,
source: &'b str,
name: &'c str,
version: &'d Version,
) -> impl Iterator<Item = &'a proof::review::Package> {
self.package_reviews
.get(source)
.into_iter()
.filter_map(move |map| map.get(name))
.flat_map(move |map| map.range(version..))
.flat_map(move |(_, v)| v)
.map(move |pkg_review_id| {
self.get_pkg_review_by_pkg_review_id(pkg_review_id)
.expect("exists")
})
}
pub fn get_pkg_reviews_lte_version<'a, 'b, 'c: 'a, 'd: 'a>(
&'a self,
source: &'b str,
name: &'c str,
version: &'d Version,
) -> impl Iterator<Item = &'a proof::review::Package> {
self.package_reviews
.get(source)
.into_iter()
.filter_map(move |map| map.get(name))
.flat_map(move |map| map.range(..=version))
.flat_map(|(_, v)| v)
.map(move |pkg_review_id| {
self.get_pkg_review_by_pkg_review_id(pkg_review_id)
.expect("exists")
})
}
pub fn get_pkg_review_by_pkg_review_id(
&self,
uniq: &PkgVersionReviewId,
) -> Option<&proof::review::Package> {
let signature = &self
.package_review_signatures_by_pkg_review_id
.get(uniq)?
.value;
self.package_review_by_signature.get(signature)
}
pub fn get_proof_digest_by_pkg_review_id(
&self,
uniq: &PkgVersionReviewId,
) -> Option<&proof::Digest> {
Some(&self.proof_digest_by_pkg_review_id.get(uniq)?.value)
}
pub fn get_pkg_review<'a, 'b, 'c: 'a, 'd: 'a>(
&'a self,
source: &'b str,
name: &'c str,
version: &'d Version,
id: &Id,
) -> Option<&proof::review::Package> {
self.get_pkg_reviews_for_version(source, name, version)
.find(|pkg_review| pkg_review.from().id == *id)
}
pub fn get_advisories<'a, 'b, 'c: 'a, 'd: 'a>(
&'a self,
source: &'b str,
name: Option<&'c str>,
version: Option<&'d Version>,
) -> impl Iterator<Item = &'a proof::review::Package> + 'a {
match (name, version) {
(Some(name), Some(version)) => {
Box::new(self.get_advisories_for_version(source, name, version))
as Box<dyn Iterator<Item = _>>
}
(Some(name), None) => Box::new(self.get_advisories_for_package(source, name)),
(None, None) => Box::new(self.get_advisories_for_source(source)),
(None, Some(_)) => panic!("Wrong usage"),
}
}
pub fn get_pkg_reviews_with_issues_for<'a, 'b, 'c: 'a, 'd: 'a>(
&'a self,
source: &'b str,
name: Option<&'c str>,
version: Option<&'c Version>,
trust_set: &'d TrustSet,
trust_level_required: TrustLevel,
) -> impl Iterator<Item = &proof::review::Package> {
match (name, version) {
(Some(name), Some(version)) => Box::new(self.get_pkg_reviews_with_issues_for_version(
source,
name,
version,
trust_set,
trust_level_required,
)) as Box<dyn Iterator<Item = _>>,
(Some(name), None) => Box::new(self.get_pkg_reviews_with_issues_for_name(
source,
name,
trust_set,
trust_level_required,
)),
(None, None) => Box::new(self.get_pkg_reviews_with_issues_for_source(
source,
trust_set,
trust_level_required,
)),
(None, Some(_)) => panic!("Wrong usage"),
}
}
pub fn get_advisories_for_version<'a, 'b, 'c: 'a, 'd: 'a>(
&'a self,
source: &'b str,
name: &'c str,
version: &'d Version,
) -> impl Iterator<Item = &proof::review::Package> {
self.get_pkg_reviews_gte_version(source, name, version)
.filter(move |review| review.is_advisory_for(version))
}
pub fn get_advisories_for_package<'a, 'b, 'c: 'a>(
&'a self,
source: &'b str,
name: &'c str,
) -> impl Iterator<Item = &proof::review::Package> {
self.package_reviews
.get(source)
.into_iter()
.filter_map(move |map| map.get(name))
.flat_map(move |map| map.iter())
.flat_map(|(_, v)| v)
.filter_map(move |pkg_review_id| {
let review = &self.package_review_by_signature
[&self.package_review_signatures_by_pkg_review_id[pkg_review_id].value];
if !review.advisories.is_empty() {
Some(review)
} else {
None
}
})
}
pub fn get_advisories_for_source(
&self,
source: &str,
) -> impl Iterator<Item = &proof::review::Package> {
self.get_pkg_reviews_for_source(source)
.filter(|review| !review.advisories.is_empty())
}
pub fn get_open_issues_for_version(
&self,
source: &str,
name: &str,
queried_version: &Version,
trust_set: &TrustSet,
trust_level_required: TrustLevel,
) -> HashMap<String, IssueDetails> {
let mut issue_reports_by_id: HashMap<String, IssueDetails> = HashMap::new();
for (review, issue) in self
.get_pkg_reviews_lte_version(source, name, queried_version)
.filter(|review| {
let effective = trust_set.get_effective_trust_level(&review.from().id);
effective >= trust_level_required
})
.flat_map(move |review| review.issues.iter().map(move |issue| (review, issue)))
.filter(|(review, issue)| {
issue.is_for_version_when_reported_in_version(
queried_version,
&review.package.id.version,
)
})
{
issue_reports_by_id
.entry(issue.id.clone())
.or_default()
.issues
.insert(PkgVersionReviewId::from(review));
}
for (review, advisory) in self
.get_pkg_reviews_for_name(source, name)
.filter(|review| {
let effective = trust_set.get_effective_trust_level(&review.from().id);
effective >= trust_level_required
})
.flat_map(move |review| {
review
.advisories
.iter()
.map(move |advisory| (review, advisory))
})
{
if advisory.is_for_version_when_reported_in_version(
queried_version,
&review.package.id.version,
) {
for id in &advisory.ids {
issue_reports_by_id
.entry(id.clone())
.or_default()
.issues
.insert(PkgVersionReviewId::from(review));
}
}
for id in &advisory.ids {
if let Some(mut issue_marker) = issue_reports_by_id.get_mut(id) {
let issues = std::mem::take(&mut issue_marker.issues);
issue_marker.issues = issues
.into_iter()
.filter(|pkg_review_id| {
let signature = &self
.package_review_signatures_by_pkg_review_id
.get(pkg_review_id)
.expect("review for this signature")
.value;
let issue_review = self
.package_review_by_signature
.get(signature)
.expect("review for this pkg_review_id");
!advisory.is_for_version_when_reported_in_version(
&issue_review.package.id.version,
&review.package.id.version,
)
})
.collect();
}
}
}
issue_reports_by_id
.into_iter()
.filter(|(_id, markers)| !markers.issues.is_empty() || !markers.advisories.is_empty())
.collect()
}
pub fn get_pkg_reviews_with_issues_for_version<'a, 'b, 'c: 'a>(
&'a self,
source: &'b str,
name: &'c str,
queried_version: &'c Version,
trust_set: &'c TrustSet,
trust_level_required: TrustLevel,
) -> impl Iterator<Item = &proof::review::Package> {
self.get_pkg_reviews_with_issues_for_name(source, name, trust_set, trust_level_required)
.filter(move |review| {
!review.issues.is_empty()
|| review.advisories.iter().any(|advi| {
advi.is_for_version_when_reported_in_version(
queried_version,
&review.package.id.version,
)
})
})
}
pub fn get_pkg_reviews_with_issues_for_name<'a, 'b, 'c: 'a>(
&'a self,
source: &'b str,
name: &'c str,
trust_set: &'c TrustSet,
trust_level_required: TrustLevel,
) -> impl Iterator<Item = &proof::review::Package> {
self.get_pkg_reviews_for_name(source, name)
.filter(move |review| {
let effective = trust_set.get_effective_trust_level(&review.from().id);
effective >= trust_level_required
})
.filter(|review| !review.issues.is_empty() || !review.advisories.is_empty())
}
pub fn get_pkg_reviews_with_issues_for_source<'a, 'b, 'c: 'a>(
&'a self,
source: &'b str,
trust_set: &'c TrustSet,
trust_level_required: TrustLevel,
) -> impl Iterator<Item = &proof::review::Package> {
self.get_pkg_reviews_for_source(source)
.filter(move |review| {
let effective = trust_set.get_effective_trust_level(&review.from().id);
effective >= trust_level_required
})
.filter(|review| !review.issues.is_empty() || !review.advisories.is_empty())
}
pub fn unique_package_review_proof_count(&self) -> usize {
self.package_review_signatures_by_pkg_review_id.len()
}
pub fn unique_trust_proof_count(&self) -> usize {
self.trust_id_to_id
.iter()
.fold(0, |count, (_id, set)| count + set.len())
}
fn add_code_review(&mut self, review: &review::Code, fetched_from: FetchSource) {
let from = &review.from();
self.record_url_from_from_field(&review.date_utc(), from, &fetched_from);
for _file in &review.files {
}
}
fn add_package_review(
&mut self,
review: &review::Package,
signature: &str,
fetched_from: FetchSource,
proof_digest: proof::Digest,
) {
self.insertion_counter += 1;
let from = &review.from();
self.record_url_from_from_field(&review.date_utc(), from, &fetched_from);
self.package_review_by_signature
.entry(signature.to_owned())
.or_insert_with(|| review.clone());
let pkg_review_id = PkgVersionReviewId::from(review);
let timestamp_signature = TimestampedSignature::from((review.date(), signature.to_owned()));
let timestamp_proof_digest = TimestampedDigest::from((review.date(), proof_digest));
let timestamp_flags = TimestampedFlags::from((review.date(), review.flags.clone()));
self.package_review_signatures_by_package_digest
.entry(review.package.digest.clone())
.or_default()
.entry(pkg_review_id.clone())
.and_modify(|s| s.update_to_more_recent(×tamp_signature))
.or_insert_with(|| timestamp_signature.clone());
self.package_review_signatures_by_pkg_review_id
.entry(pkg_review_id.clone())
.and_modify(|s| s.update_to_more_recent(×tamp_signature))
.or_insert_with(|| timestamp_signature.clone());
self.proof_digest_by_pkg_review_id
.entry(pkg_review_id.clone())
.and_modify(|s| s.update_to_more_recent(×tamp_proof_digest))
.or_insert_with(|| timestamp_proof_digest.clone());
self.from_id_to_package_reviews
.entry(review.common.from.id.clone())
.or_default()
.insert(pkg_review_id.package_version_id.clone());
self.package_reviews
.entry(review.package.id.id.source.clone())
.or_default()
.entry(review.package.id.id.name.clone())
.or_default()
.entry(review.package.id.version.clone())
.or_default()
.insert(pkg_review_id);
self.package_alternatives
.entry(review.package.id.id.clone())
.or_default()
.entry(review.from().id.clone())
.and_modify(|a| a.update_to_more_recent(×tamp_signature))
.or_insert_with(|| timestamp_signature);
self.package_flags
.entry(review.package.id.id.clone())
.or_default()
.entry(review.from().id.clone())
.and_modify(|f| f.update_to_more_recent(×tamp_flags))
.or_insert_with(|| timestamp_flags);
}
pub fn get_package_review_count(
&self,
source: &str,
name: Option<&str>,
version: Option<&Version>,
) -> usize {
self.get_package_reviews_for_package(source, name, version)
.count()
}
pub fn get_package_reviews_for_package<'a, 'b, 'c: 'a, 'd: 'a>(
&'a self,
source: &'b str,
name: Option<&'c str>,
version: Option<&'d Version>,
) -> impl Iterator<Item = &'a proof::review::Package> + 'a {
match (name, version) {
(Some(name), Some(version)) => {
Box::new(self.get_pkg_reviews_for_version(source, name, version))
as Box<dyn Iterator<Item = _>>
}
(Some(name), None) => Box::new(self.get_pkg_reviews_for_name(source, name)),
(None, None) => Box::new(self.get_pkg_reviews_for_source(source)),
(None, Some(_)) => panic!("Wrong usage"),
}
}
pub fn get_package_reviews_for_package_sorted<'a, 'b, 'c: 'a, 'd: 'a>(
&'a self,
source: &'b str,
name: Option<&'c str>,
version: Option<&'d Version>,
) -> Vec<proof::review::Package> {
let mut proofs: Vec<_> = self
.get_package_reviews_for_package(source, name, version)
.cloned()
.collect();
proofs.sort_by_key(|a| a.date_utc());
proofs
}
fn add_trust_raw(
&mut self,
from: &Id,
to: &Id,
date: DateTime<Utc>,
trust_proof: &proof::Trust,
signature: &str,
) {
let trust = TrustDetails {
level: trust_proof.trust,
override_: trust_proof
.override_
.iter()
.map(|o| o.id.id.clone())
.collect(),
};
let tl = TimestampedTrustLevel {
value: trust.level,
date,
};
let td = TimestampedTrustDetails { value: trust, date };
self.trust_proofs_by_signature
.insert(signature.to_owned(), trust_proof.clone());
let signature = TimestampedSignature {
value: signature.to_owned(),
date,
};
self.ids_to_trust_proof_signatures
.entry((from.clone(), to.clone()))
.and_modify(|e| e.update_to_more_recent(&signature))
.or_insert_with(|| signature);
self.trust_id_to_id
.entry(from.clone())
.or_insert_with(HashMap::new)
.entry(to.clone())
.and_modify(|e| e.update_to_more_recent(&td))
.or_insert_with(|| td);
self.reverse_trust_id_to_id
.entry(to.clone())
.or_insert_with(HashMap::new)
.entry(from.clone())
.and_modify(|e| e.update_to_more_recent(&tl))
.or_insert_with(|| tl);
}
fn add_trust(&mut self, trust: &proof::Trust, signature: &str, fetched_from: FetchSource) {
let from = &trust.from();
self.record_url_from_from_field(&trust.date_utc(), from, &fetched_from);
for to in &trust.ids {
self.add_trust_raw(&from.id, &to.id, trust.date_utc(), trust, signature);
}
for to in &trust.ids {
self.record_url_from_to_field(&trust.date_utc(), to)
}
}
pub fn all_known_ids(&self) -> BTreeSet<Id> {
self.url_by_id_self_reported
.keys()
.chain(self.url_by_id_reported_by_others.keys())
.cloned()
.collect()
}
pub fn get_reverse_trust_for<'id, 's: 'id>(
&'s self,
id: &'id Id,
) -> impl Iterator<Item = (&'id Id, TrustLevel)> + 's {
self.reverse_trust_id_to_id
.get(id)
.into_iter()
.flat_map(|map| map.iter().map(|(id, trust_level)| (id, trust_level.value)))
}
pub fn all_author_ids(&self) -> BTreeMap<Id, usize> {
let mut res = BTreeMap::new();
for (id, set) in &self.trust_id_to_id {
*res.entry(id.clone()).or_default() += set.len();
}
for uniq_rev in self.package_review_signatures_by_pkg_review_id.keys() {
*res.entry(uniq_rev.from.clone()).or_default() += 1;
}
res
}
pub fn get_package_review_by_signature<'a>(
&'a self,
signature: &str,
) -> Option<&'a review::Package> {
self.package_review_by_signature.get(signature)
}
pub fn get_package_reviews_by_digest<'a>(
&'a self,
digest: &Digest,
) -> impl Iterator<Item = review::Package> + 'a {
self.package_review_signatures_by_package_digest
.get(digest.as_slice())
.into_iter()
.flat_map(move |unique_reviews| {
unique_reviews
.iter()
.map(move |(_unique_review, signature)| {
self.package_review_by_signature[&signature.value].clone()
})
})
}
fn record_url_from_to_field(&mut self, date: &DateTime<Utc>, to: &crev_data::PublicId) {
if let Some(url) = &to.url {
self.url_by_id_reported_by_others
.entry(to.id.clone())
.or_insert_with(|| TimestampedUrl {
value: url.clone(),
date: *date,
});
}
}
pub fn record_trusted_url_from_own_id(&mut self, own_id: &crev_data::PublicId) {
self.record_url_from_from_field(&Utc::now(), own_id, &FetchSource::LocalUser);
}
fn record_url_from_from_field(
&mut self,
date: &DateTime<Utc>,
from: &crev_data::PublicId,
fetched_from: &FetchSource,
) {
if let Some(url) = &from.url {
let tu = TimestampedUrl {
value: url.clone(),
date: *date,
};
let fetch_matches = match fetched_from {
FetchSource::LocalUser => true,
FetchSource::Url(fetched_url) if **fetched_url == *url => true,
_ => false,
};
self.url_by_id_self_reported
.entry(from.id.clone())
.and_modify(|e| {
e.0.update_to_more_recent(&tu);
if fetch_matches {
e.1 = true;
}
})
.or_insert_with(|| (tu, fetch_matches));
}
}
fn add_proof(&mut self, proof: &proof::Proof, fetched_from: FetchSource) -> Result<()> {
proof
.verify()
.expect("All proofs were supposed to be valid here");
match proof.kind() {
proof::CodeReview::KIND => self.add_code_review(&proof.parse_content()?, fetched_from),
proof::PackageReview::KIND => self.add_package_review(
&proof.parse_content()?,
proof.signature(),
fetched_from,
proof::Digest(*proof.digest()),
),
proof::Trust::KIND => {
self.add_trust(&proof.parse_content()?, proof.signature(), fetched_from)
}
other => return Err(Error::UnknownProofType(other.into())),
}
Ok(())
}
pub fn import_from_iter(&mut self, i: impl Iterator<Item = (proof::Proof, FetchSource)>) {
for (proof, fetch_source) in i {
if let Err(e) = self.add_proof(&proof, fetch_source) {
debug!("Ignoring proof: {}", e);
}
}
}
fn get_trust_details_list_of_id(&self, id: &Id) -> impl Iterator<Item = (&TrustDetails, &Id)> {
self.trust_id_to_id
.get(id)
.map(|map| map.iter().map(|(id, trust)| (&trust.value, id)))
.into_iter()
.flatten()
}
pub fn get_trust_proof_between(&self, from: &Id, to: &Id) -> Option<&proof::Trust> {
self.ids_to_trust_proof_signatures
.get(&(from.clone(), to.clone()))
.and_then(|sig| self.trust_proofs_by_signature.get(&sig.value))
}
fn get_package_reviews_by_author<'iter, 's: 'iter, 'id: 'iter>(
&'s self,
id: &'id Id,
) -> impl Iterator<Item = &'s review::Package> + 'iter {
self.from_id_to_package_reviews
.get(id)
.into_iter()
.flat_map(move |set| {
set.iter()
.map(move |package_version_id| PkgVersionReviewId {
from: id.clone(),
package_version_id: package_version_id.clone(),
})
})
.map(move |pkg_version_review_id| {
&self.package_review_by_signature
[&self.package_review_signatures_by_pkg_review_id[&pkg_version_review_id].value]
})
}
pub fn calculate_trust_set(&self, for_id: &Id, params: &TrustDistanceParams) -> TrustSet {
TrustSet::from(self, for_id, params)
}
pub fn lookup_url(&self, id: &Id) -> UrlOfId<'_> {
self.url_by_id_self_reported
.get(id)
.map(|(url, fetch_matches)| {
if *fetch_matches {
UrlOfId::FromSelfVerified(&url.value)
} else {
UrlOfId::FromSelf(&url.value)
}
})
.or_else(|| {
self.url_by_id_reported_by_others
.get(id)
.map(|url| UrlOfId::FromOthers(&url.value))
})
.unwrap_or(UrlOfId::None)
}
}
#[derive(Debug, Copy, Clone)]
pub enum UrlOfId<'a> {
FromSelfVerified(&'a Url),
FromSelf(&'a Url),
FromOthers(&'a Url),
None,
}
impl<'a> UrlOfId<'a> {
#[must_use]
pub fn verified(self) -> Option<&'a Url> {
match self {
Self::FromSelfVerified(url) => Some(url),
_ => None,
}
}
#[must_use]
pub fn from_self(self) -> Option<&'a Url> {
match self {
Self::FromSelfVerified(url) | Self::FromSelf(url) => Some(url),
_ => None,
}
}
#[must_use]
pub fn any_unverified(self) -> Option<&'a Url> {
match self {
Self::FromSelfVerified(url) | Self::FromSelf(url) | Self::FromOthers(url) => Some(url),
_ => None,
}
}
}
pub struct TrustDistanceParams {
pub max_distance: u64,
pub high_trust_distance: u64,
pub medium_trust_distance: u64,
pub low_trust_distance: u64,
pub none_trust_distance: u64,
pub distrust_distance: u64,
}
impl TrustDistanceParams {
#[must_use]
pub fn new_no_wot() -> Self {
Self {
max_distance: 0,
high_trust_distance: 1,
medium_trust_distance: 1,
low_trust_distance: 1,
none_trust_distance: 1,
distrust_distance: 1,
}
}
fn distance_by_level(&self, level: TrustLevel) -> Option<u64> {
use crev_data::proof::trust::TrustLevel::*;
Some(match level {
Distrust => self.distrust_distance,
None => self.none_trust_distance,
Low => self.low_trust_distance,
Medium => self.medium_trust_distance,
High => self.high_trust_distance,
})
}
}
impl Default for TrustDistanceParams {
fn default() -> Self {
Self {
max_distance: 10,
high_trust_distance: 0,
medium_trust_distance: 1,
low_trust_distance: 5,
none_trust_distance: 11,
distrust_distance: 11,
}
}
}
#[derive(Debug, Clone, Default)]
pub struct OverrideSourcesDetails(HashMap<Id, TrustLevel>);
impl OverrideSourcesDetails {
pub fn insert(&mut self, id: Id, level: TrustLevel) {
self.0
.entry(id)
.and_modify(|prev_level| *prev_level = level.max(*prev_level))
.or_insert(level);
}
#[must_use]
pub fn max_level(&self) -> Option<TrustLevel> {
self.0.iter().map(|e| e.1).max().copied()
}
}
#[test]
fn db_is_send_sync() {
fn is<T: Send + Sync>() {}
is::<ProofDB>();
}
#[cfg(test)]
mod tests;