init CTFd source

migrations/versions/0366ba6575ca_add_table_for_comments.py

@@ -0,0 +1,47 @@
+"""Add table for comments
+
+Revision ID: 0366ba6575ca
+Revises: 1093835a1051
+Create Date: 2020-08-14 00:46:54.161120
+
+"""
+from alembic import op  # noqa: I001
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = "0366ba6575ca"
+down_revision = "1093835a1051"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table(
+        "comments",
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("type", sa.String(length=80), nullable=True),
+        sa.Column("content", sa.Text(), nullable=True),
+        sa.Column("date", sa.DateTime(), nullable=True),
+        sa.Column("author_id", sa.Integer(), nullable=True),
+        sa.Column("challenge_id", sa.Integer(), nullable=True),
+        sa.Column("user_id", sa.Integer(), nullable=True),
+        sa.Column("team_id", sa.Integer(), nullable=True),
+        sa.Column("page_id", sa.Integer(), nullable=True),
+        sa.ForeignKeyConstraint(["author_id"], ["users.id"], ondelete="CASCADE"),
+        sa.ForeignKeyConstraint(
+            ["challenge_id"], ["challenges.id"], ondelete="CASCADE"
+        ),
+        sa.ForeignKeyConstraint(["page_id"], ["pages.id"], ondelete="CASCADE"),
+        sa.ForeignKeyConstraint(["team_id"], ["teams.id"], ondelete="CASCADE"),
+        sa.ForeignKeyConstraint(["user_id"], ["users.id"], ondelete="CASCADE"),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table("comments")
+    # ### end Alembic commands ###

migrations/versions/07dfbe5e1edc_add_format_to_pages.py

@@ -0,0 +1,28 @@
+"""Add format to Pages
+
+Revision ID: 07dfbe5e1edc
+Revises: 75e8ab9a0014
+Create Date: 2021-06-15 19:57:37.410152
+
+"""
+from alembic import op  # noqa: I001
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = "07dfbe5e1edc"
+down_revision = "75e8ab9a0014"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column("pages", sa.Column("format", sa.String(length=80), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column("pages", "format")
+    # ### end Alembic commands ###

migrations/versions/080d29b15cd3_add_tokens_table.py

@@ -0,0 +1,34 @@
+"""Add Tokens table to store user access tokens
+
+Revision ID: 080d29b15cd3
+Revises: b295b033364d
+Create Date: 2019-11-03 18:21:04.827015
+
+"""
+import sqlalchemy as sa
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision = "080d29b15cd3"
+down_revision = "b295b033364d"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.create_table(
+        "tokens",
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("type", sa.String(length=32), nullable=True),
+        sa.Column("user_id", sa.Integer(), nullable=True),
+        sa.Column("created", sa.DateTime(), nullable=True),
+        sa.Column("expiration", sa.DateTime(), nullable=True),
+        sa.Column("value", sa.String(length=128), nullable=True),
+        sa.ForeignKeyConstraint(["user_id"], ["users.id"], ondelete="CASCADE"),
+        sa.PrimaryKeyConstraint("id"),
+        sa.UniqueConstraint("value"),
+    )
+
+
+def downgrade():
+    op.drop_table("tokens")

migrations/versions/0def790057c1_add_language_column_to_users_table.py

@@ -0,0 +1,23 @@
+"""Add language column to Users table
+
+Revision ID: 0def790057c1
+Revises: 46a278193a94
+Create Date: 2023-04-19 00:56:54.592584
+
+"""
+import sqlalchemy as sa
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision = "0def790057c1"
+down_revision = "46a278193a94"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.add_column("users", sa.Column("language", sa.String(length=32), nullable=True))
+
+
+def downgrade():
+    op.drop_column("users", "language")

migrations/versions/1093835a1051_add_default_email_templates.py

@@ -0,0 +1,70 @@
+"""Add default email templates
+
+Revision ID: 1093835a1051
+Revises: a03403986a32
+Create Date: 2020-02-15 01:32:10.959373
+
+"""
+from alembic import op
+from sqlalchemy.sql import column, table
+
+from CTFd.models import db
+from CTFd.utils.email import (
+    DEFAULT_PASSWORD_RESET_BODY,
+    DEFAULT_PASSWORD_RESET_SUBJECT,
+    DEFAULT_SUCCESSFUL_REGISTRATION_EMAIL_BODY,
+    DEFAULT_SUCCESSFUL_REGISTRATION_EMAIL_SUBJECT,
+    DEFAULT_USER_CREATION_EMAIL_BODY,
+    DEFAULT_USER_CREATION_EMAIL_SUBJECT,
+    DEFAULT_VERIFICATION_EMAIL_BODY,
+    DEFAULT_VERIFICATION_EMAIL_SUBJECT,
+)
+
+# revision identifiers, used by Alembic.
+revision = "1093835a1051"
+down_revision = "a03403986a32"
+branch_labels = None
+depends_on = None
+
+configs_table = table(
+    "config", column("id", db.Integer), column("key", db.Text), column("value", db.Text)
+)
+
+
+def get_config(key):
+    connection = op.get_bind()
+    return connection.execute(
+        configs_table.select().where(configs_table.c.key == key).limit(1)
+    ).fetchone()
+
+
+def set_config(key, value):
+    connection = op.get_bind()
+    connection.execute(configs_table.insert().values(key=key, value=value))
+
+
+def upgrade():
+    # Only run if this instance already been setup before
+    if bool(get_config("setup")) is True:
+        for k, v in [
+            ("password_reset_body", DEFAULT_PASSWORD_RESET_BODY),
+            ("password_reset_subject", DEFAULT_PASSWORD_RESET_SUBJECT),
+            (
+                "successful_registration_email_body",
+                DEFAULT_SUCCESSFUL_REGISTRATION_EMAIL_BODY,
+            ),
+            (
+                "successful_registration_email_subject",
+                DEFAULT_SUCCESSFUL_REGISTRATION_EMAIL_SUBJECT,
+            ),
+            ("user_creation_email_body", DEFAULT_USER_CREATION_EMAIL_BODY),
+            ("user_creation_email_subject", DEFAULT_USER_CREATION_EMAIL_SUBJECT),
+            ("verification_email_body", DEFAULT_VERIFICATION_EMAIL_BODY),
+            ("verification_email_subject", DEFAULT_VERIFICATION_EMAIL_SUBJECT),
+        ]:
+            if get_config(k) is None:
+                set_config(k, v)
+
+
+def downgrade():
+    pass

migrations/versions/24ad6790bc3c_convert_rating_values_to_votes.py

@@ -0,0 +1,45 @@
+"""Convert rating values to votes
+
+Revision ID: 24ad6790bc3c
+Revises: 55623b100da8
+Create Date: 2025-09-03 05:19:54.151054
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = "24ad6790bc3c"
+down_revision = "55623b100da8"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # Convert 5-star ratings to upvote/downvote system
+    # Values 1-2 become -1 (downvote)
+    # Values 3-5 become 1 (upvote)
+
+    connection = op.get_bind()
+
+    # Update ratings with values 1 or 2 to -1 (downvote)
+    connection.execute(sa.text("UPDATE ratings SET value = -1 WHERE value IN (1, 2)"))
+
+    # Update ratings with values 3, 4, or 5 to 1 (upvote)
+    connection.execute(sa.text("UPDATE ratings SET value = 1 WHERE value IN (3, 4, 5)"))
+
+
+def downgrade():
+    # This downgrade is not reversible since we lose the original 5-star granularity
+    # We can only convert back to a simplified 5-star system
+    # -1 (downvote) becomes 1 (1 star)
+    # 1 (upvote) becomes 5 (5 stars)
+
+    connection = op.get_bind()
+
+    # Convert downvotes (-1) to 1-star ratings
+    connection.execute(sa.text("UPDATE ratings SET value = 1 WHERE value = -1"))
+
+    # Convert upvotes (1) to 5-star ratings
+    connection.execute(sa.text("UPDATE ratings SET value = 5 WHERE value = 1"))

migrations/versions/364b4efa1686_add_ratings_table.py

@@ -0,0 +1,42 @@
+"""Add ratings table
+
+Revision ID: 364b4efa1686
+Revises: 662d728ad7da
+Create Date: 2025-08-17 07:07:41.484323
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = "364b4efa1686"
+down_revision = "662d728ad7da"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table(
+        "ratings",
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("user_id", sa.Integer(), nullable=True),
+        sa.Column("challenge_id", sa.Integer(), nullable=True),
+        sa.Column("value", sa.Integer(), nullable=True),
+        sa.Column("review", sa.String(length=2000), nullable=True),
+        sa.Column("date", sa.DateTime(), nullable=True),
+        sa.ForeignKeyConstraint(
+            ["challenge_id"], ["challenges.id"], ondelete="CASCADE"
+        ),
+        sa.ForeignKeyConstraint(["user_id"], ["users.id"], ondelete="CASCADE"),
+        sa.PrimaryKeyConstraint("id"),
+        sa.UniqueConstraint("user_id", "challenge_id"),
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table("ratings")
+    # ### end Alembic commands ###

migrations/versions/46a278193a94_enable_millisecond_precision_in_mysql_.py

@@ -0,0 +1,46 @@
+"""Enable millisecond precision in MySQL datetime
+
+Revision ID: 46a278193a94
+Revises: 4d3c1b59d011
+Create Date: 2022-11-01 23:27:44.620893
+
+"""
+from alembic import op  # noqa: I001
+from sqlalchemy.dialects import mysql
+
+
+# revision identifiers, used by Alembic.
+revision = "46a278193a94"
+down_revision = "4d3c1b59d011"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    bind = op.get_bind()
+    url = str(bind.engine.url)
+    if url.startswith("mysql"):
+        get_columns = "SELECT `TABLE_NAME`, `COLUMN_NAME` FROM `information_schema`.`COLUMNS` WHERE `table_schema`=DATABASE() AND `DATA_TYPE`='datetime' AND `COLUMN_TYPE`='datetime';"
+        conn = op.get_bind()
+        columns = conn.execute(get_columns).fetchall()
+        for table_name, column_name in columns:
+            op.alter_column(
+                table_name=table_name,
+                column_name=column_name,
+                type_=mysql.DATETIME(fsp=6),
+            )
+
+
+def downgrade():
+    bind = op.get_bind()
+    url = str(bind.engine.url)
+    if url.startswith("mysql"):
+        get_columns = "SELECT `TABLE_NAME`, `COLUMN_NAME` FROM `information_schema`.`COLUMNS` WHERE `table_schema`=DATABASE() AND `DATA_TYPE`='datetime' AND `COLUMN_TYPE`='datetime(6)';"
+        conn = op.get_bind()
+        columns = conn.execute(get_columns).fetchall()
+        for table_name, column_name in columns:
+            op.alter_column(
+                table_name=table_name,
+                column_name=column_name,
+                type_=mysql.DATETIME(fsp=0),
+            )

migrations/versions/4d3c1b59d011_add_next_id_to_challenges_table.py

@@ -0,0 +1,32 @@
+"""Add next_id to Challenges table
+
+Revision ID: 4d3c1b59d011
+Revises: 6012fe8de495
+Create Date: 2022-04-07 03:53:27.554190
+
+"""
+from alembic import op  # noqa: I001
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = "4d3c1b59d011"
+down_revision = "6012fe8de495"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column("challenges", sa.Column("next_id", sa.Integer(), nullable=True))
+    op.create_foreign_key(
+        None, "challenges", "challenges", ["next_id"], ["id"], ondelete="SET NULL"
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_constraint(None, "challenges", type_="foreignkey")
+    op.drop_column("challenges", "next_id")
+    # ### end Alembic commands ###

migrations/versions/4e4d5a9ea000_add_type_to_awards.py

@@ -0,0 +1,32 @@
+"""Add type to awards
+
+Revision ID: 4e4d5a9ea000
+Revises: 8369118943a1
+Create Date: 2019-04-07 19:37:17.872128
+
+"""
+import sqlalchemy as sa
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision = "4e4d5a9ea000"
+down_revision = "8369118943a1"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column(
+        "awards",
+        sa.Column(
+            "type", sa.String(length=80), nullable=True, server_default="standard"
+        ),
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column("awards", "type")
+    # ### end Alembic commands ###

migrations/versions/4fe3eeed9a9d_add_attribution_to_challenges.py

@@ -0,0 +1,24 @@
+"""Add attribution to Challenges
+
+Revision ID: 4fe3eeed9a9d
+Revises: a02c5bf43407
+Create Date: 2024-09-07 01:02:28.997761
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = "4fe3eeed9a9d"
+down_revision = "a02c5bf43407"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.add_column("challenges", sa.Column("attribution", sa.Text(), nullable=True))
+
+
+def downgrade():
+    op.drop_column("challenges", "attribution")

migrations/versions/55623b100da8_add_target_column_to_tracking.py

@@ -0,0 +1,28 @@
+"""Add target column to Tracking
+
+Revision ID: 55623b100da8
+Revises: 5c98d9253f56
+Create Date: 2025-08-26 23:30:29.170546
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = "55623b100da8"
+down_revision = "5c98d9253f56"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column("tracking", sa.Column("target", sa.Integer(), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column("tracking", "target")
+    # ### end Alembic commands ###

migrations/versions/5c4996aeb2cb_add_sha1sum_field_to_files_require_.py

@@ -0,0 +1,23 @@
+"""Add sha1sum field to Files
+
+Revision ID: 5c4996aeb2cb
+Revises: 9e6f6578ca84
+Create Date: 2024-01-07 13:09:08.843903
+
+"""
+import sqlalchemy as sa
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision = "5c4996aeb2cb"
+down_revision = "9e6f6578ca84"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.add_column("files", sa.Column("sha1sum", sa.String(length=40), nullable=True))
+
+
+def downgrade():
+    op.drop_column("files", "sha1sum")

migrations/versions/5c98d9253f56_rename_core_beta_to_core.py

@@ -0,0 +1,119 @@
+"""Rename core-beta to core
+
+Revision ID: 5c98d9253f56
+Revises: 364b4efa1686
+Create Date: 2025-08-24 16:23:18.795064
+
+"""
+from alembic import op
+from sqlalchemy.sql import column, table
+
+from CTFd.models import db
+
+
+# revision identifiers, used by Alembic.
+revision = "5c98d9253f56"
+down_revision = "364b4efa1686"
+branch_labels = None
+depends_on = None
+
+configs_table = table(
+    "config", column("id", db.Integer), column("key", db.Text), column("value", db.Text)
+)
+
+pages_table = table("pages", column("id", db.Integer), column("content", db.Text))
+
+
+def upgrade():
+    connection = op.get_bind()
+
+    # Define theme transformations: old_theme -> new_theme
+    theme_transformations = {
+        "core-beta": "core",
+        "hacker-beta-theme": "hacker-theme",
+        "learning-beta-theme": "learning-theme",
+        "learning": "learning-theme",
+    }
+
+    # Find the ctf_theme config entry
+    theme_config = connection.execute(
+        configs_table.select().where(configs_table.c.key == "ctf_theme")
+    ).fetchone()
+
+    # Update ctf_theme config
+    if (
+        theme_config
+        and theme_config.value
+        and theme_config.value in theme_transformations
+    ):
+        new_value = theme_transformations[theme_config.value]
+        connection.execute(
+            configs_table.update()
+            .where(configs_table.c.id == theme_config.id)
+            .values(value=new_value)
+        )
+
+    # Update pages content for all theme transformations
+    for old_theme, new_theme in theme_transformations.items():
+        old_path = f"themes/{old_theme}/static"
+        new_path = f"themes/{new_theme}/static"
+
+        pages_with_old_theme = connection.execute(
+            pages_table.select().where(pages_table.c.content.like(f"%{old_path}%"))
+        ).fetchall()
+
+        for page in pages_with_old_theme:
+            if page.content:
+                new_content = page.content.replace(old_path, new_path)
+                connection.execute(
+                    pages_table.update()
+                    .where(pages_table.c.id == page.id)
+                    .values(content=new_content)
+                )
+
+
+def downgrade():
+    connection = op.get_bind()
+
+    # Define reverse theme transformations: new_theme -> old_theme
+    reverse_theme_transformations = {
+        "core": "core-beta",
+        "hacker-theme": "hacker-beta-theme",
+        "learning-theme": "learning-beta-theme",
+    }
+
+    # Find the ctf_theme config entry
+    theme_config = connection.execute(
+        configs_table.select().where(configs_table.c.key == "ctf_theme")
+    ).fetchone()
+
+    # Restore ctf_theme config
+    if (
+        theme_config
+        and theme_config.value
+        and theme_config.value in reverse_theme_transformations
+    ):
+        new_value = reverse_theme_transformations[theme_config.value]
+        connection.execute(
+            configs_table.update()
+            .where(configs_table.c.id == theme_config.id)
+            .values(value=new_value)
+        )
+
+    # Restore pages content for all theme transformations
+    for new_theme, old_theme in reverse_theme_transformations.items():
+        new_path = f"themes/{new_theme}/static"
+        old_path = f"themes/{old_theme}/static"
+
+        pages_with_new_theme = connection.execute(
+            pages_table.select().where(pages_table.c.content.like(f"%{new_path}%"))
+        ).fetchall()
+
+        for page in pages_with_new_theme:
+            if page.content and old_path not in page.content:
+                new_content = page.content.replace(new_path, old_path)
+                connection.execute(
+                    pages_table.update()
+                    .where(pages_table.c.id == page.id)
+                    .values(content=new_content)
+                )

migrations/versions/6012fe8de495_add_connection_info_column_to_challenges.py

@@ -0,0 +1,28 @@
+"""Add connection_info column to Challenges
+
+Revision ID: 6012fe8de495
+Revises: ef87d69ec29a
+Create Date: 2021-07-30 03:50:54.219124
+
+"""
+from alembic import op  # noqa: I001
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = "6012fe8de495"
+down_revision = "ef87d69ec29a"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column("challenges", sa.Column("connection_info", sa.Text(), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column("challenges", "connection_info")
+    # ### end Alembic commands ###

migrations/versions/62bf576b2cd3_add_solutions_table.py

@@ -0,0 +1,43 @@
+"""Add Solutions table
+
+Revision ID: 62bf576b2cd3
+Revises: a49ad66aa0f1
+Create Date: 2025-07-28 20:04:45.082529
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = "62bf576b2cd3"
+down_revision = "a49ad66aa0f1"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table(
+        "solutions",
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("challenge_id", sa.Integer(), nullable=True),
+        sa.Column("content", sa.Text(), nullable=True),
+        sa.Column("state", sa.String(length=80), nullable=False),
+        sa.ForeignKeyConstraint(
+            ["challenge_id"], ["challenges.id"], ondelete="CASCADE"
+        ),
+        sa.PrimaryKeyConstraint("id"),
+        sa.UniqueConstraint("challenge_id"),
+    )
+    op.add_column("files", sa.Column("solution_id", sa.Integer(), nullable=True))
+    op.create_foreign_key(None, "files", "solutions", ["solution_id"], ["id"])
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_constraint(None, "files", type_="foreignkey")
+    op.drop_column("files", "solution_id")
+    op.drop_table("solutions")
+    # ### end Alembic commands ###

migrations/versions/662d728ad7da_add_change_password_to_users.py

@@ -0,0 +1,28 @@
+"""Add change_password to Users
+
+Revision ID: 662d728ad7da
+Revises: f73a96c97449
+Create Date: 2025-08-11 16:38:48.891702
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = "662d728ad7da"
+down_revision = "f73a96c97449"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column("users", sa.Column("change_password", sa.Boolean(), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column("users", "change_password")
+    # ### end Alembic commands ###

migrations/versions/67ebab6de598_add_dynamic_scoring_columns_to_.py

@@ -0,0 +1,36 @@
+"""Add dynamic scoring columns to Challenges table
+
+Revision ID: 67ebab6de598
+Revises: 24ad6790bc3c
+Create Date: 2025-09-11 08:57:33.156731
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = "67ebab6de598"
+down_revision = "24ad6790bc3c"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column("challenges", sa.Column("initial", sa.Integer(), nullable=True))
+    op.add_column("challenges", sa.Column("minimum", sa.Integer(), nullable=True))
+    op.add_column("challenges", sa.Column("decay", sa.Integer(), nullable=True))
+    op.add_column(
+        "challenges", sa.Column("function", sa.String(length=32), nullable=True)
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column("challenges", "function")
+    op.drop_column("challenges", "decay")
+    op.drop_column("challenges", "minimum")
+    op.drop_column("challenges", "initial")
+    # ### end Alembic commands ###

migrations/versions/75e8ab9a0014_add_fields_and_fieldentries_tables.py

@@ -0,0 +1,53 @@
+"""Add Fields and FieldEntries tables
+
+Revision ID: 75e8ab9a0014
+Revises: 0366ba6575ca
+Create Date: 2020-08-19 00:36:17.579497
+
+"""
+from alembic import op  # noqa: I001
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = "75e8ab9a0014"
+down_revision = "0366ba6575ca"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table(
+        "fields",
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("name", sa.Text(), nullable=True),
+        sa.Column("type", sa.String(length=80), nullable=True),
+        sa.Column("field_type", sa.String(length=80), nullable=True),
+        sa.Column("description", sa.Text(), nullable=True),
+        sa.Column("required", sa.Boolean(), nullable=True),
+        sa.Column("public", sa.Boolean(), nullable=True),
+        sa.Column("editable", sa.Boolean(), nullable=True),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    op.create_table(
+        "field_entries",
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("type", sa.String(length=80), nullable=True),
+        sa.Column("value", sa.JSON(), nullable=True),
+        sa.Column("field_id", sa.Integer(), nullable=True),
+        sa.Column("user_id", sa.Integer(), nullable=True),
+        sa.Column("team_id", sa.Integer(), nullable=True),
+        sa.ForeignKeyConstraint(["field_id"], ["fields.id"], ondelete="CASCADE"),
+        sa.ForeignKeyConstraint(["team_id"], ["teams.id"], ondelete="CASCADE"),
+        sa.ForeignKeyConstraint(["user_id"], ["users.id"], ondelete="CASCADE"),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table("field_entries")
+    op.drop_table("fields")
+    # ### end Alembic commands ###

migrations/versions/8369118943a1_initial_revision.py

@@ -0,0 +1,249 @@
+"""Initial Revision
+
+Revision ID: 8369118943a1
+Revises:
+Create Date: 2018-11-05 01:06:24.495010
+
+"""
+import sqlalchemy as sa
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision = "8369118943a1"
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table(
+        "challenges",
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("name", sa.String(length=80), nullable=True),
+        sa.Column("description", sa.Text(), nullable=True),
+        sa.Column("max_attempts", sa.Integer(), nullable=True),
+        sa.Column("value", sa.Integer(), nullable=True),
+        sa.Column("category", sa.String(length=80), nullable=True),
+        sa.Column("type", sa.String(length=80), nullable=True),
+        sa.Column("state", sa.String(length=80), nullable=False),
+        sa.Column("requirements", sa.JSON(), nullable=True),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    op.create_table(
+        "config",
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("key", sa.Text(), nullable=True),
+        sa.Column("value", sa.Text(), nullable=True),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    op.create_table(
+        "pages",
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("title", sa.String(length=80), nullable=True),
+        sa.Column("route", sa.String(length=128), nullable=True),
+        sa.Column("content", sa.Text(), nullable=True),
+        sa.Column("draft", sa.Boolean(), nullable=True),
+        sa.Column("hidden", sa.Boolean(), nullable=True),
+        sa.Column("auth_required", sa.Boolean(), nullable=True),
+        sa.PrimaryKeyConstraint("id"),
+        sa.UniqueConstraint("route"),
+    )
+    op.create_table(
+        "teams",
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("oauth_id", sa.Integer(), nullable=True),
+        sa.Column("name", sa.String(length=128), nullable=True),
+        sa.Column("email", sa.String(length=128), nullable=True),
+        sa.Column("password", sa.String(length=128), nullable=True),
+        sa.Column("secret", sa.String(length=128), nullable=True),
+        sa.Column("website", sa.String(length=128), nullable=True),
+        sa.Column("affiliation", sa.String(length=128), nullable=True),
+        sa.Column("country", sa.String(length=32), nullable=True),
+        sa.Column("bracket", sa.String(length=32), nullable=True),
+        sa.Column("hidden", sa.Boolean(), nullable=True),
+        sa.Column("banned", sa.Boolean(), nullable=True),
+        sa.Column("created", sa.DateTime(), nullable=True),
+        sa.PrimaryKeyConstraint("id"),
+        sa.UniqueConstraint("email"),
+        sa.UniqueConstraint("id", "oauth_id"),
+        sa.UniqueConstraint("oauth_id"),
+    )
+    op.create_table(
+        "dynamic_challenge",
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("initial", sa.Integer(), nullable=True),
+        sa.Column("minimum", sa.Integer(), nullable=True),
+        sa.Column("decay", sa.Integer(), nullable=True),
+        sa.ForeignKeyConstraint(["id"], ["challenges.id"]),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    op.create_table(
+        "files",
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("type", sa.String(length=80), nullable=True),
+        sa.Column("location", sa.Text(), nullable=True),
+        sa.Column("challenge_id", sa.Integer(), nullable=True),
+        sa.Column("page_id", sa.Integer(), nullable=True),
+        sa.ForeignKeyConstraint(["challenge_id"], ["challenges.id"]),
+        sa.ForeignKeyConstraint(["page_id"], ["pages.id"]),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    op.create_table(
+        "flags",
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("challenge_id", sa.Integer(), nullable=True),
+        sa.Column("type", sa.String(length=80), nullable=True),
+        sa.Column("content", sa.Text(), nullable=True),
+        sa.Column("data", sa.Text(), nullable=True),
+        sa.ForeignKeyConstraint(["challenge_id"], ["challenges.id"]),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    op.create_table(
+        "hints",
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("type", sa.String(length=80), nullable=True),
+        sa.Column("challenge_id", sa.Integer(), nullable=True),
+        sa.Column("content", sa.Text(), nullable=True),
+        sa.Column("cost", sa.Integer(), nullable=True),
+        sa.Column("requirements", sa.JSON(), nullable=True),
+        sa.ForeignKeyConstraint(["challenge_id"], ["challenges.id"]),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    op.create_table(
+        "tags",
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("challenge_id", sa.Integer(), nullable=True),
+        sa.Column("value", sa.String(length=80), nullable=True),
+        sa.ForeignKeyConstraint(["challenge_id"], ["challenges.id"]),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    op.create_table(
+        "users",
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("oauth_id", sa.Integer(), nullable=True),
+        sa.Column("name", sa.String(length=128), nullable=True),
+        sa.Column("password", sa.String(length=128), nullable=True),
+        sa.Column("email", sa.String(length=128), nullable=True),
+        sa.Column("type", sa.String(length=80), nullable=True),
+        sa.Column("secret", sa.String(length=128), nullable=True),
+        sa.Column("website", sa.String(length=128), nullable=True),
+        sa.Column("affiliation", sa.String(length=128), nullable=True),
+        sa.Column("country", sa.String(length=32), nullable=True),
+        sa.Column("bracket", sa.String(length=32), nullable=True),
+        sa.Column("hidden", sa.Boolean(), nullable=True),
+        sa.Column("banned", sa.Boolean(), nullable=True),
+        sa.Column("verified", sa.Boolean(), nullable=True),
+        sa.Column("team_id", sa.Integer(), nullable=True),
+        sa.Column("created", sa.DateTime(), nullable=True),
+        sa.ForeignKeyConstraint(["team_id"], ["teams.id"]),
+        sa.PrimaryKeyConstraint("id"),
+        sa.UniqueConstraint("email"),
+        sa.UniqueConstraint("id", "oauth_id"),
+        sa.UniqueConstraint("oauth_id"),
+    )
+    op.create_table(
+        "awards",
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("user_id", sa.Integer(), nullable=True),
+        sa.Column("team_id", sa.Integer(), nullable=True),
+        sa.Column("name", sa.String(length=80), nullable=True),
+        sa.Column("description", sa.Text(), nullable=True),
+        sa.Column("date", sa.DateTime(), nullable=True),
+        sa.Column("value", sa.Integer(), nullable=True),
+        sa.Column("category", sa.String(length=80), nullable=True),
+        sa.Column("icon", sa.Text(), nullable=True),
+        sa.Column("requirements", sa.JSON(), nullable=True),
+        sa.ForeignKeyConstraint(["team_id"], ["teams.id"]),
+        sa.ForeignKeyConstraint(["user_id"], ["users.id"]),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    op.create_table(
+        "notifications",
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("title", sa.Text(), nullable=True),
+        sa.Column("content", sa.Text(), nullable=True),
+        sa.Column("date", sa.DateTime(), nullable=True),
+        sa.Column("user_id", sa.Integer(), nullable=True),
+        sa.Column("team_id", sa.Integer(), nullable=True),
+        sa.ForeignKeyConstraint(["team_id"], ["teams.id"]),
+        sa.ForeignKeyConstraint(["user_id"], ["users.id"]),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    op.create_table(
+        "submissions",
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("challenge_id", sa.Integer(), nullable=True),
+        sa.Column("user_id", sa.Integer(), nullable=True),
+        sa.Column("team_id", sa.Integer(), nullable=True),
+        sa.Column("ip", sa.String(length=46), nullable=True),
+        sa.Column("provided", sa.Text(), nullable=True),
+        sa.Column("type", sa.String(length=32), nullable=True),
+        sa.Column("date", sa.DateTime(), nullable=True),
+        sa.ForeignKeyConstraint(
+            ["challenge_id"], ["challenges.id"], ondelete="CASCADE"
+        ),
+        sa.ForeignKeyConstraint(["team_id"], ["teams.id"], ondelete="CASCADE"),
+        sa.ForeignKeyConstraint(["user_id"], ["users.id"], ondelete="CASCADE"),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    op.create_table(
+        "tracking",
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("type", sa.String(length=32), nullable=True),
+        sa.Column("ip", sa.String(length=46), nullable=True),
+        sa.Column("user_id", sa.Integer(), nullable=True),
+        sa.Column("date", sa.DateTime(), nullable=True),
+        sa.ForeignKeyConstraint(["user_id"], ["users.id"]),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    op.create_table(
+        "unlocks",
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("user_id", sa.Integer(), nullable=True),
+        sa.Column("team_id", sa.Integer(), nullable=True),
+        sa.Column("target", sa.Integer(), nullable=True),
+        sa.Column("date", sa.DateTime(), nullable=True),
+        sa.Column("type", sa.String(length=32), nullable=True),
+        sa.ForeignKeyConstraint(["team_id"], ["teams.id"]),
+        sa.ForeignKeyConstraint(["user_id"], ["users.id"]),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    op.create_table(
+        "solves",
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("challenge_id", sa.Integer(), nullable=True),
+        sa.Column("user_id", sa.Integer(), nullable=True),
+        sa.Column("team_id", sa.Integer(), nullable=True),
+        sa.ForeignKeyConstraint(
+            ["challenge_id"], ["challenges.id"], ondelete="CASCADE"
+        ),
+        sa.ForeignKeyConstraint(["id"], ["submissions.id"], ondelete="CASCADE"),
+        sa.ForeignKeyConstraint(["team_id"], ["teams.id"], ondelete="CASCADE"),
+        sa.ForeignKeyConstraint(["user_id"], ["users.id"], ondelete="CASCADE"),
+        sa.PrimaryKeyConstraint("id"),
+        sa.UniqueConstraint("challenge_id", "team_id"),
+        sa.UniqueConstraint("challenge_id", "user_id"),
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table("solves")
+    op.drop_table("unlocks")
+    op.drop_table("tracking")
+    op.drop_table("submissions")
+    op.drop_table("notifications")
+    op.drop_table("awards")
+    op.drop_table("users")
+    op.drop_table("tags")
+    op.drop_table("hints")
+    op.drop_table("flags")
+    op.drop_table("files")
+    op.drop_table("dynamic_challenge")
+    op.drop_table("teams")
+    op.drop_table("pages")
+    op.drop_table("config")
+    op.drop_table("challenges")
+    # ### end Alembic commands ###

migrations/versions/9889b8c53673_add_brackets_table.py

@@ -0,0 +1,51 @@
+"""Add Brackets table
+
+Revision ID: 9889b8c53673
+Revises: 5c4996aeb2cb
+Create Date: 2024-01-25 03:17:52.734753
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import mysql
+
+# revision identifiers, used by Alembic.
+revision = "9889b8c53673"
+down_revision = "5c4996aeb2cb"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.create_table(
+        "brackets",
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("name", sa.String(length=255), nullable=True),
+        sa.Column("description", sa.Text(), nullable=True),
+        sa.Column("type", sa.String(length=80), nullable=True),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    op.add_column("teams", sa.Column("bracket_id", sa.Integer(), nullable=True))
+    op.create_foreign_key(
+        None, "teams", "brackets", ["bracket_id"], ["id"], ondelete="SET NULL"
+    )
+    op.drop_column("teams", "bracket")
+    op.add_column("users", sa.Column("bracket_id", sa.Integer(), nullable=True))
+    op.create_foreign_key(
+        None, "users", "brackets", ["bracket_id"], ["id"], ondelete="SET NULL"
+    )
+    op.drop_column("users", "bracket")
+
+
+def downgrade():
+    op.add_column(
+        "users", sa.Column("bracket", mysql.VARCHAR(length=32), nullable=True)
+    )
+    op.drop_constraint(None, "users", type_="foreignkey")
+    op.drop_column("users", "bracket_id")
+    op.add_column(
+        "teams", sa.Column("bracket", mysql.VARCHAR(length=32), nullable=True)
+    )
+    op.drop_constraint(None, "teams", type_="foreignkey")
+    op.drop_column("teams", "bracket_id")
+    op.drop_table("brackets")

migrations/versions/9e6f6578ca84_add_description_column_to_tokens_table.py

@@ -0,0 +1,23 @@
+"""Add description column to tokens table
+
+Revision ID: 9e6f6578ca84
+Revises: 0def790057c1
+Create Date: 2023-06-21 23:22:34.179636
+
+"""
+import sqlalchemy as sa
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision = "9e6f6578ca84"
+down_revision = "0def790057c1"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.add_column("tokens", sa.Column("description", sa.Text(), nullable=True))
+
+
+def downgrade():
+    op.drop_column("tokens", "description")

migrations/versions/a02c5bf43407_add_link_target_to_pages.py

@@ -0,0 +1,26 @@
+"""Add link_target to Pages
+
+Revision ID: a02c5bf43407
+Revises: 9889b8c53673
+Create Date: 2024-02-01 13:11:53.076825
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = "a02c5bf43407"
+down_revision = "9889b8c53673"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.add_column(
+        "pages", sa.Column("link_target", sa.String(length=80), nullable=True)
+    )
+
+
+def downgrade():
+    op.drop_column("pages", "link_target")

migrations/versions/a03403986a32_add_theme_code_injections_to_configs.py

@@ -0,0 +1,46 @@
+"""add theme code injections to configs
+
+Revision ID: a03403986a32
+Revises: 080d29b15cd3
+Create Date: 2020-02-13 01:10:16.430424
+
+"""
+from alembic import op  # noqa: I001
+from sqlalchemy.sql import column, table
+
+from CTFd.models import db
+
+
+# revision identifiers, used by Alembic.
+revision = "a03403986a32"
+down_revision = "080d29b15cd3"
+branch_labels = None
+depends_on = None
+
+configs_table = table(
+    "config", column("id", db.Integer), column("key", db.Text), column("value", db.Text)
+)
+
+
+def upgrade():
+    connection = op.get_bind()
+    css = connection.execute(
+        configs_table.select().where(configs_table.c.key == "css").limit(1)
+    ).fetchone()
+
+    if css and css.value:
+        new_css = "<style>\n" + css.value + "\n</style>"
+        config = connection.execute(
+            configs_table.select().where(configs_table.c.key == "theme_header").limit(1)
+        ).fetchone()
+        if config:
+            # Do not overwrite existing theme_header value
+            pass
+        else:
+            connection.execute(
+                configs_table.insert().values(key="theme_header", value=new_css)
+            )
+
+
+def downgrade():
+    pass

migrations/versions/a49ad66aa0f1_add_title_to_hint.py

@@ -0,0 +1,23 @@
+"""add title to hint
+
+Revision ID: a49ad66aa0f1
+Revises: 4fe3eeed9a9d
+Create Date: 2025-02-10 14:45:00.933880
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+# revision identifiers, used by Alembic.
+revision = "a49ad66aa0f1"
+down_revision = "4fe3eeed9a9d"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.add_column("hints", sa.Column("title", sa.String(length=80), nullable=True))
+
+
+def downgrade():
+    op.drop_column("hints", "title")

migrations/versions/b295b033364d_add_ondelete_cascade_to_foreign_keys.py

@@ -0,0 +1,298 @@
+"""Add ondelete cascade to foreign keys
+
+Revision ID: b295b033364d
+Revises: b5551cd26764
+Create Date: 2019-05-03 19:26:57.746887
+
+"""
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision = "b295b033364d"
+down_revision = "b5551cd26764"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    bind = op.get_bind()
+    url = str(bind.engine.url)
+    if url.startswith("mysql"):
+        op.drop_constraint("awards_ibfk_1", "awards", type_="foreignkey")
+        op.drop_constraint("awards_ibfk_2", "awards", type_="foreignkey")
+        op.create_foreign_key(
+            "awards_ibfk_1", "awards", "teams", ["team_id"], ["id"], ondelete="CASCADE"
+        )
+        op.create_foreign_key(
+            "awards_ibfk_2", "awards", "users", ["user_id"], ["id"], ondelete="CASCADE"
+        )
+
+        op.drop_constraint("files_ibfk_1", "files", type_="foreignkey")
+        op.create_foreign_key(
+            "files_ibfk_1",
+            "files",
+            "challenges",
+            ["challenge_id"],
+            ["id"],
+            ondelete="CASCADE",
+        )
+
+        op.drop_constraint("flags_ibfk_1", "flags", type_="foreignkey")
+        op.create_foreign_key(
+            "flags_ibfk_1",
+            "flags",
+            "challenges",
+            ["challenge_id"],
+            ["id"],
+            ondelete="CASCADE",
+        )
+
+        op.drop_constraint("hints_ibfk_1", "hints", type_="foreignkey")
+        op.create_foreign_key(
+            "hints_ibfk_1",
+            "hints",
+            "challenges",
+            ["challenge_id"],
+            ["id"],
+            ondelete="CASCADE",
+        )
+
+        op.drop_constraint("tags_ibfk_1", "tags", type_="foreignkey")
+        op.create_foreign_key(
+            "tags_ibfk_1",
+            "tags",
+            "challenges",
+            ["challenge_id"],
+            ["id"],
+            ondelete="CASCADE",
+        )
+
+        op.drop_constraint("team_captain_id", "teams", type_="foreignkey")
+        op.create_foreign_key(
+            "team_captain_id",
+            "teams",
+            "users",
+            ["captain_id"],
+            ["id"],
+            ondelete="SET NULL",
+        )
+
+        op.drop_constraint("tracking_ibfk_1", "tracking", type_="foreignkey")
+        op.create_foreign_key(
+            "tracking_ibfk_1",
+            "tracking",
+            "users",
+            ["user_id"],
+            ["id"],
+            ondelete="CASCADE",
+        )
+
+        op.drop_constraint("unlocks_ibfk_1", "unlocks", type_="foreignkey")
+        op.drop_constraint("unlocks_ibfk_2", "unlocks", type_="foreignkey")
+        op.create_foreign_key(
+            "unlocks_ibfk_1",
+            "unlocks",
+            "teams",
+            ["team_id"],
+            ["id"],
+            ondelete="CASCADE",
+        )
+        op.create_foreign_key(
+            "unlocks_ibfk_2",
+            "unlocks",
+            "users",
+            ["user_id"],
+            ["id"],
+            ondelete="CASCADE",
+        )
+    elif url.startswith("postgres"):
+        op.drop_constraint("awards_team_id_fkey", "awards", type_="foreignkey")
+        op.drop_constraint("awards_user_id_fkey", "awards", type_="foreignkey")
+        op.create_foreign_key(
+            "awards_team_id_fkey",
+            "awards",
+            "teams",
+            ["team_id"],
+            ["id"],
+            ondelete="CASCADE",
+        )
+        op.create_foreign_key(
+            "awards_user_id_fkey",
+            "awards",
+            "users",
+            ["user_id"],
+            ["id"],
+            ondelete="CASCADE",
+        )
+
+        op.drop_constraint("files_challenge_id_fkey", "files", type_="foreignkey")
+        op.create_foreign_key(
+            "files_challenge_id_fkey",
+            "files",
+            "challenges",
+            ["challenge_id"],
+            ["id"],
+            ondelete="CASCADE",
+        )
+
+        op.drop_constraint("flags_challenge_id_fkey", "flags", type_="foreignkey")
+        op.create_foreign_key(
+            "flags_challenge_id_fkey",
+            "flags",
+            "challenges",
+            ["challenge_id"],
+            ["id"],
+            ondelete="CASCADE",
+        )
+
+        op.drop_constraint("hints_challenge_id_fkey", "hints", type_="foreignkey")
+        op.create_foreign_key(
+            "hints_challenge_id_fkey",
+            "hints",
+            "challenges",
+            ["challenge_id"],
+            ["id"],
+            ondelete="CASCADE",
+        )
+
+        op.drop_constraint("tags_challenge_id_fkey", "tags", type_="foreignkey")
+        op.create_foreign_key(
+            "tags_challenge_id_fkey",
+            "tags",
+            "challenges",
+            ["challenge_id"],
+            ["id"],
+            ondelete="CASCADE",
+        )
+
+        op.drop_constraint("team_captain_id", "teams", type_="foreignkey")
+        op.create_foreign_key(
+            "team_captain_id",
+            "teams",
+            "users",
+            ["captain_id"],
+            ["id"],
+            ondelete="SET NULL",
+        )
+
+        op.drop_constraint("tracking_user_id_fkey", "tracking", type_="foreignkey")
+        op.create_foreign_key(
+            "tracking_user_id_fkey",
+            "tracking",
+            "users",
+            ["user_id"],
+            ["id"],
+            ondelete="CASCADE",
+        )
+
+        op.drop_constraint("unlocks_team_id_fkey", "unlocks", type_="foreignkey")
+        op.drop_constraint("unlocks_user_id_fkey", "unlocks", type_="foreignkey")
+        op.create_foreign_key(
+            "unlocks_team_id_fkey",
+            "unlocks",
+            "teams",
+            ["team_id"],
+            ["id"],
+            ondelete="CASCADE",
+        )
+        op.create_foreign_key(
+            "unlocks_user_id_fkey",
+            "unlocks",
+            "users",
+            ["user_id"],
+            ["id"],
+            ondelete="CASCADE",
+        )
+
+
+def downgrade():
+    bind = op.get_bind()
+    url = str(bind.engine.url)
+    if url.startswith("mysql"):
+        op.drop_constraint("unlocks_ibfk_1", "unlocks", type_="foreignkey")
+        op.drop_constraint("unlocks_ibfk_2", "unlocks", type_="foreignkey")
+        op.create_foreign_key("unlocks_ibfk_1", "unlocks", "teams", ["team_id"], ["id"])
+        op.create_foreign_key("unlocks_ibfk_2", "unlocks", "users", ["user_id"], ["id"])
+
+        op.drop_constraint("tracking_ibfk_1", "tracking", type_="foreignkey")
+        op.create_foreign_key(
+            "tracking_ibfk_1", "tracking", "users", ["user_id"], ["id"]
+        )
+
+        op.drop_constraint("team_captain_id", "teams", type_="foreignkey")
+        op.create_foreign_key(
+            "team_captain_id", "teams", "users", ["captain_id"], ["id"]
+        )
+
+        op.drop_constraint("tags_ibfk_1", "tags", type_="foreignkey")
+        op.create_foreign_key(
+            "tags_ibfk_1", "tags", "challenges", ["challenge_id"], ["id"]
+        )
+
+        op.drop_constraint("hints_ibfk_1", "hints", type_="foreignkey")
+        op.create_foreign_key(
+            "hints_ibfk_1", "hints", "challenges", ["challenge_id"], ["id"]
+        )
+
+        op.drop_constraint("flags_ibfk_1", "flags", type_="foreignkey")
+        op.create_foreign_key(
+            "flags_ibfk_1", "flags", "challenges", ["challenge_id"], ["id"]
+        )
+
+        op.drop_constraint("files_ibfk_1", "files", type_="foreignkey")
+        op.create_foreign_key(
+            "files_ibfk_1", "files", "challenges", ["challenge_id"], ["id"]
+        )
+
+        op.drop_constraint("awards_ibfk_1", "awards", type_="foreignkey")
+        op.drop_constraint("awards_ibfk_2", "awards", type_="foreignkey")
+        op.create_foreign_key("awards_ibfk_1", "awards", "teams", ["team_id"], ["id"])
+        op.create_foreign_key("awards_ibfk_2", "awards", "users", ["user_id"], ["id"])
+    elif url.startswith("postgres"):
+        op.drop_constraint("unlocks_team_id_fkey", "unlocks", type_="foreignkey")
+        op.drop_constraint("unlocks_user_id_fkey", "unlocks", type_="foreignkey")
+        op.create_foreign_key(
+            "unlocks_team_id_fkey", "unlocks", "teams", ["team_id"], ["id"]
+        )
+        op.create_foreign_key(
+            "unlocks_user_id_fkey", "unlocks", "users", ["user_id"], ["id"]
+        )
+
+        op.drop_constraint("tracking_user_id_fkey", "tracking", type_="foreignkey")
+        op.create_foreign_key(
+            "tracking_user_id_fkey", "tracking", "users", ["user_id"], ["id"]
+        )
+
+        op.drop_constraint("team_captain_id", "teams", type_="foreignkey")
+        op.create_foreign_key(
+            "team_captain_id", "teams", "users", ["captain_id"], ["id"]
+        )
+
+        op.drop_constraint("tags_challenge_id_fkey", "tags", type_="foreignkey")
+        op.create_foreign_key(
+            "tags_challenge_id_fkey", "tags", "challenges", ["challenge_id"], ["id"]
+        )
+
+        op.drop_constraint("hints_challenge_id_fkey", "hints", type_="foreignkey")
+        op.create_foreign_key(
+            "hints_challenge_id_fkey", "hints", "challenges", ["challenge_id"], ["id"]
+        )
+
+        op.drop_constraint("flags_challenge_id_fkey", "flags", type_="foreignkey")
+        op.create_foreign_key(
+            "flags_challenge_id_fkey", "flags", "challenges", ["challenge_id"], ["id"]
+        )
+
+        op.drop_constraint("files_challenge_id_fkey", "files", type_="foreignkey")
+        op.create_foreign_key(
+            "files_challenge_id_fkey", "files", "challenges", ["challenge_id"], ["id"]
+        )
+
+        op.drop_constraint("awards_team_id_fkey", "awards", type_="foreignkey")
+        op.drop_constraint("awards_user_id_fkey", "awards", type_="foreignkey")
+        op.create_foreign_key(
+            "awards_team_id_fkey", "awards", "teams", ["team_id"], ["id"]
+        )
+        op.create_foreign_key(
+            "awards_user_id_fkey", "awards", "users", ["user_id"], ["id"]
+        )

migrations/versions/b5551cd26764_add_captain_column_to_teams.py

@@ -0,0 +1,57 @@
+"""Add captain column to Teams
+
+Revision ID: b5551cd26764
+Revises: 4e4d5a9ea000
+Create Date: 2019-04-12 00:29:08.021141
+
+"""
+import sqlalchemy as sa
+from alembic import op
+from sqlalchemy.sql import column, table
+
+from CTFd.models import db
+
+# revision identifiers, used by Alembic.
+revision = "b5551cd26764"
+down_revision = "4e4d5a9ea000"
+branch_labels = None
+depends_on = None
+
+teams_table = table("teams", column("id", db.Integer), column("captain_id", db.Integer))
+
+users_table = table("users", column("id", db.Integer), column("team_id", db.Integer))
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column("teams", sa.Column("captain_id", sa.Integer(), nullable=True))
+
+    bind = op.get_bind()
+    url = str(bind.engine.url)
+    if url.startswith("sqlite") is False:
+        op.create_foreign_key(
+            "team_captain_id", "teams", "users", ["captain_id"], ["id"]
+        )
+
+    connection = op.get_bind()
+    for team in connection.execute(teams_table.select()):
+        users = connection.execute(
+            users_table.select()
+            .where(users_table.c.team_id == team.id)
+            .order_by(users_table.c.id)
+            .limit(1)
+        )
+        for user in users:
+            connection.execute(
+                teams_table.update()
+                .where(teams_table.c.id == team.id)
+                .values(captain_id=user.id)
+            )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_constraint("team_captain_id", "teams", type_="foreignkey")
+    op.drop_column("teams", "captain_id")
+    # ### end Alembic commands ###

migrations/versions/ef87d69ec29a_add_topics_and_challenge_topics_tables.py

@@ -0,0 +1,46 @@
+"""Add topics and challenge_topics tables
+
+Revision ID: ef87d69ec29a
+Revises: 07dfbe5e1edc
+Create Date: 2021-07-29 23:22:39.345426
+
+"""
+from alembic import op  # noqa: I001
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = "ef87d69ec29a"
+down_revision = "07dfbe5e1edc"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table(
+        "topics",
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("value", sa.String(length=255), nullable=True),
+        sa.PrimaryKeyConstraint("id"),
+        sa.UniqueConstraint("value"),
+    )
+    op.create_table(
+        "challenge_topics",
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("challenge_id", sa.Integer(), nullable=True),
+        sa.Column("topic_id", sa.Integer(), nullable=True),
+        sa.ForeignKeyConstraint(
+            ["challenge_id"], ["challenges.id"], ondelete="CASCADE"
+        ),
+        sa.ForeignKeyConstraint(["topic_id"], ["topics.id"], ondelete="CASCADE"),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table("challenge_topics")
+    op.drop_table("topics")
+    # ### end Alembic commands ###

migrations/versions/f73a96c97449_add_logic_column_to_challenges.py

@@ -0,0 +1,30 @@
+"""Add logic column to Challenges
+
+Revision ID: f73a96c97449
+Revises: 62bf576b2cd3
+Create Date: 2025-08-08 21:49:23.417694
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = "f73a96c97449"
+down_revision = "62bf576b2cd3"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column(
+        "challenges", sa.Column("logic", sa.String(length=80), nullable=False)
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column("challenges", "logic")
+    # ### end Alembic commands ###