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feat(mail): operator-tunable IMAP/POP3 email seed (DEBT-026)

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IMAP_EMAIL_SEED / POP3_EMAIL_SEED accept a directory (rglob *.eml +
*.json) or a single .json/.eml. Loaded entries CONCATENATE with the
hardcoded _BAIT_EMAILS — additive to the realism-engine emailgen
output rather than replacing it. JSON dicts require from_addr /
to_addr / subject / body; bare bodies are wrapped into RFC 5322 on
load. compose_fragment reads service_cfg["email_seed"] and bind-mounts
the host path read-only at /var/spool/decnet-emails/seed.
This commit is contained in:
anti
2026-05-03 02:47:06 -04:00
parent e0b07651fd
commit b88d67794d
8 changed files with 444 additions and 133 deletions
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17
decnet/services/imap.py
View File

@@ -4,11 +4,18 @@ from decnet.services.base import BaseService
TEMPLATES_DIR = Path(__file__).parent.parent / "templates" / "imap"
_SEED_CONTAINER_PATH = "/var/spool/decnet-emails/seed"
class IMAPService(BaseService):
name = "imap"
ports = [143, 993]
default_image = "build"
# config_schema: no user-tunable fields yet — TODO add when compose_fragment grows cfg reads
# Optional config:
# email_seed: host path to a directory of .eml/.json files OR a
# single .json/.eml. Mounted read-only into the
# container; entries concatenate with the hardcoded
# bait list (additive to realism-engine output).
def compose_fragment(self, decky_name: str, log_target: str | None = None, service_cfg: dict | None = None) -> dict:
fragment: dict = {
@@ -19,6 +26,14 @@ class IMAPService(BaseService):
}
if log_target:
fragment["environment"]["LOG_TARGET"] = log_target
if service_cfg:
seed = service_cfg.get("email_seed")
if seed:
host_path = str(Path(str(seed)).expanduser().resolve())
fragment["environment"]["IMAP_EMAIL_SEED"] = _SEED_CONTAINER_PATH
fragment.setdefault("volumes", []).append(
f"{host_path}:{_SEED_CONTAINER_PATH}:ro"
)
return fragment
def dockerfile_context(self) -> Path | None:

16
decnet/services/pop3.py
View File

@@ -4,11 +4,17 @@ from decnet.services.base import BaseService
TEMPLATES_DIR = Path(__file__).parent.parent / "templates" / "pop3"
_SEED_CONTAINER_PATH = "/var/spool/decnet-emails/seed"
class POP3Service(BaseService):
name = "pop3"
ports = [110, 995]
default_image = "build"
# config_schema: no user-tunable fields yet — TODO add when compose_fragment grows cfg reads
# Optional config:
# email_seed: host path to a directory of .eml/.json files OR a
# single .json/.eml. Mounted read-only; entries
# concatenate with the hardcoded bait list.
def compose_fragment(self, decky_name: str, log_target: str | None = None, service_cfg: dict | None = None) -> dict:
fragment: dict = {
@@ -19,6 +25,14 @@ class POP3Service(BaseService):
}
if log_target:
fragment["environment"]["LOG_TARGET"] = log_target
if service_cfg:
seed = service_cfg.get("email_seed")
if seed:
host_path = str(Path(str(seed)).expanduser().resolve())
fragment["environment"]["POP3_EMAIL_SEED"] = _SEED_CONTAINER_PATH
fragment.setdefault("volumes", []).append(
f"{host_path}:{_SEED_CONTAINER_PATH}:ro"
)
return fragment
def dockerfile_context(self) -> Path | None: