chore: update examples (#6)

Author: rkrishn7

README.md

@@ -12,7 +12,7 @@ If you're looking for low-level FFI bindings to libmodsecurity, check out [modse
 Block requests with `admin` in the path
 
 ```rust
-use modsecurity::{ModSecurity, Rules, Transaction};
+use modsecurity::{ModSecurity, Rules};
 
 let ms = ModSecurity::default();
 

examples/basic_rules.conf

@@ -0,0 +1,33 @@
+use modsecurity::{ModSecurity, Rules};
+
+pub fn main() {
+    let ms = ModSecurity::default();
+
+    let mut rules = Rules::new();
+    rules
+        .add_plain(
+            r#"
+            SecRuleEngine On
+
+            SecRule REQUEST_URI "@rx admin" "id:1,phase:1,deny,status:401"
+        "#,
+        )
+        .expect("Failed to add rules");
+
+    let mut transaction = ms
+        .transaction_builder()
+        .with_rules(&rules)
+        .build()
+        .expect("Error building transaction");
+
+    transaction
+        .process_uri("http://example.com/admin", "GET", "1.1")
+        .expect("Error processing URI");
+    transaction
+        .process_request_headers()
+        .expect("Error processing request headers");
+
+    let intervention = transaction.intervention().expect("Expected intervention");
+
+    assert_eq!(intervention.status(), 401);
+}

examples/block-admin-requests.rs

@@ -0,0 +1,43 @@
+use modsecurity::{ModSecurity, Rules};
+
+pub fn main() {
+    let ms = ModSecurity::builder().with_log_callbacks().build();
+
+    let mut rules = Rules::new();
+    rules
+        .add_plain(
+            r#"
+            SecRuleEngine DetectionOnly
+
+            SecRule REQUEST_HEADERS:X-Client-Port "@streq 22" \
+                    "id:'1234567',\
+                    log,\
+                    msg:'Blocking SSH port',\
+                    phase:1,\
+                    t:none,\
+                    status:403,\
+                    deny
+        "#,
+        )
+        .expect("Failed to add rules");
+
+    let mut transaction = ms
+        .transaction_builder()
+        .with_rules(&rules)
+        .with_logging(|msg| {
+            if let Some(msg) = msg {
+                println!("Received log: {}", msg);
+            }
+        })
+        .build()
+        .expect("Error building transaction");
+
+    transaction
+        .add_request_header("X-Client-Port", "22")
+        .expect("Error adding request header");
+    transaction
+        .process_request_headers()
+        .expect("Error processing request headers");
+
+    assert!(transaction.intervention().is_none());
+}

examples/disruptive-logging.rs

@@ -0,0 +1,45 @@
+use modsecurity::{ModSecurity, Rules};
+
+pub fn main() {
+    let ms = ModSecurity::default();
+
+    let mut rules = Rules::new();
+    rules
+        .add_plain(
+            r#"
+            SecRuleEngine On
+
+            SecRule REQUEST_HEADERS:X-Client-Port "@streq 22" \
+                    "id:'1234567',\
+                    log,\
+                    msg:'Blocking SSH port',\
+                    phase:1,\
+                    t:none,\
+                    status:403,\
+                    deny
+        "#,
+        )
+        .expect("Failed to add rules");
+
+    let mut transaction = ms
+        .transaction_builder()
+        .with_rules(&rules)
+        .build()
+        .expect("Error building transaction");
+
+    transaction
+        .add_request_header("X-Client-Port", "22")
+        .expect("Error adding request header");
+    transaction
+        .process_request_headers()
+        .expect("Error processing request headers");
+
+    let intervention = transaction.intervention().expect("Expected intervention");
+
+    assert_eq!(intervention.status(), 403);
+
+    println!(
+        "Received log: {}",
+        intervention.log().expect("Expected log")
+    );
+}