From 7f7a2a92ff9f3c7e7251ca583723ab7af2dad5cf Mon Sep 17 00:00:00 2001
From: Dengke <dengket@amazon.com>
Date: Tue, 10 Dec 2024 14:47:24 -0800
Subject: [PATCH] move to config init

---
 source/s3_auto_ranged_put.c | 72 -------------------------------------
 source/s3_checksums.c       |  9 +++++
 2 files changed, 9 insertions(+), 72 deletions(-)

diff --git a/source/s3_auto_ranged_put.c b/source/s3_auto_ranged_put.c
index e6e2bdd8..71004885 100644
--- a/source/s3_auto_ranged_put.c
+++ b/source/s3_auto_ranged_put.c
@@ -313,78 +313,6 @@ static struct aws_s3_meta_request_vtable s_s3_auto_ranged_put_vtable = {
     .pause = s_s3_auto_ranged_put_pause,
 };
 
-static int s_init_and_verify_checksum_config_from_headers(
-    struct checksum_config_storage *checksum_config,
-    const struct aws_http_message *message,
-    const void *log_id) {
-    /* Check if the checksum header was set from the message */
-    struct aws_http_headers *headers = aws_http_message_get_headers(message);
-    enum aws_s3_checksum_algorithm header_algo = AWS_SCA_NONE;
-    struct aws_byte_cursor header_value;
-    AWS_ZERO_STRUCT(header_value);
-
-    for (size_t i = 0; i < AWS_ARRAY_SIZE(s_checksum_algo_priority_list); i++) {
-        enum aws_s3_checksum_algorithm algorithm = s_checksum_algo_priority_list[i];
-        const struct aws_byte_cursor algorithm_header_name =
-            aws_get_http_header_name_from_checksum_algorithm(algorithm);
-        if (aws_http_headers_get(headers, algorithm_header_name, &header_value) == AWS_OP_SUCCESS) {
-            if (header_algo == AWS_SCA_NONE) {
-                header_algo = algorithm;
-            } else {
-                /* If there are multiple checksum headers set, it's malformed request */
-                AWS_LOGF_ERROR(
-                    AWS_LS_S3_META_REQUEST,
-                    "id=%p Could not create auto-ranged-put meta request; multiple checksum headers has been set",
-                    log_id);
-                return aws_raise_error(AWS_ERROR_INVALID_ARGUMENT);
-            }
-        }
-    }
-    if (header_algo == AWS_SCA_NONE) {
-        /* No checksum header found, done */
-        return AWS_OP_SUCCESS;
-    }
-
-    /* Found the full object checksum from the header, check if it matches the explicit setting from config */
-    if (checksum_config->checksum_algorithm != AWS_SCA_NONE && checksum_config->checksum_algorithm != header_algo) {
-        AWS_LOGF_ERROR(
-            AWS_LS_S3_META_REQUEST,
-            "id=%p: Could not create auto-ranged-put meta request; checksum config mismatch the checksum from header.",
-            log_id);
-        return aws_raise_error(AWS_ERROR_INVALID_ARGUMENT);
-    }
-    if (checksum_config->has_full_object_checksum) {
-        /* If the full object checksum has been set, it's malformed request */
-        AWS_LOGF_ERROR(
-            AWS_LS_S3_META_REQUEST,
-            "id=%p: Could not create auto-ranged-put meta request; full object checksum is set from multiple ways.",
-            log_id);
-        return aws_raise_error(AWS_ERROR_INVALID_ARGUMENT);
-    }
-
-    AWS_LOGF_DEBUG(
-        AWS_LS_S3_META_REQUEST,
-        "id=%p: Setting the full-object checksum from header; algorithm: " PRInSTR ", value: " PRInSTR ".",
-        log_id,
-        AWS_BYTE_CURSOR_PRI(aws_get_checksum_algorithm_name(header_algo)),
-        AWS_BYTE_CURSOR_PRI(header_value));
-    /* Set algo */
-    checksum_config->checksum_algorithm = header_algo;
-    if (checksum_config->location == AWS_SCL_NONE) {
-        /* Set the checksum location to trailer for the parts, complete MPU will still have the checksum in the header.
-         * But to keep the data integrity for the parts, we need to set the checksum location to trailer to send the
-         * parts level checksums.
-         */
-        checksum_config->location = AWS_SCL_TRAILER;
-    }
-
-    /* Set full object checksum from the header value. */
-    aws_byte_buf_init_copy_from_cursor(
-        &checksum_config->full_object_checksum, checksum_config->allocator, header_value);
-    checksum_config->has_full_object_checksum = true;
-    return AWS_OP_SUCCESS;
-}
-
 /* Allocate a new auto-ranged put meta request */
 struct aws_s3_meta_request *aws_s3_meta_request_auto_ranged_put_new(
     struct aws_allocator *allocator,
diff --git a/source/s3_checksums.c b/source/s3_checksums.c
index 12f46052..d1d561ad 100644
--- a/source/s3_checksums.c
+++ b/source/s3_checksums.c
@@ -363,6 +363,15 @@ static int s_init_and_verify_checksum_config_from_headers(
         return AWS_OP_SUCCESS;
     }
 
+    if (checksum_config->has_full_object_checksum) {
+        /* If the full object checksum has been set, it's malformed request */
+        AWS_LOGF_ERROR(
+            AWS_LS_S3_META_REQUEST,
+            "id=%p: Could not create auto-ranged-put meta request; full object checksum is set from multiple ways.",
+            log_id);
+        return aws_raise_error(AWS_ERROR_INVALID_ARGUMENT);
+    }
+
     AWS_LOGF_DEBUG(
         AWS_LS_S3_META_REQUEST,
         "id=%p Setting the full-object checksum from header; algorithm: " PRInSTR ", value: " PRInSTR ".",